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Posted to commits@beam.apache.org by dh...@apache.org on 2016/08/24 21:01:42 UTC

[05/18] incubator-beam git commit: Optimize imports

http://git-wip-us.apache.org/repos/asf/incubator-beam/blob/c623a271/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/GroupByKeyTest.java
----------------------------------------------------------------------
diff --git a/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/GroupByKeyTest.java b/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/GroupByKeyTest.java
index afe460f..bea0e2d 100644
--- a/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/GroupByKeyTest.java
+++ b/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/GroupByKeyTest.java
@@ -19,7 +19,6 @@ package org.apache.beam.sdk.transforms;
 
 import static org.apache.beam.sdk.TestUtils.KvMatcher.isKv;
 import static org.apache.beam.sdk.transforms.display.DisplayDataMatchers.hasDisplayItem;
-
 import static org.hamcrest.CoreMatchers.equalTo;
 import static org.hamcrest.CoreMatchers.hasItem;
 import static org.hamcrest.Matchers.empty;
@@ -27,6 +26,19 @@ import static org.hamcrest.collection.IsIterableContainingInAnyOrder.containsInA
 import static org.hamcrest.core.Is.is;
 import static org.junit.Assert.assertThat;
 
+import com.fasterxml.jackson.annotation.JsonCreator;
+import com.google.common.base.Function;
+import com.google.common.collect.Iterables;
+import java.io.DataInputStream;
+import java.io.DataOutputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+import java.util.Map;
+import java.util.concurrent.ThreadLocalRandom;
 import org.apache.beam.sdk.Pipeline;
 import org.apache.beam.sdk.coders.AtomicCoder;
 import org.apache.beam.sdk.coders.BigEndianIntegerCoder;
@@ -51,11 +63,6 @@ import org.apache.beam.sdk.values.PBegin;
 import org.apache.beam.sdk.values.PCollection;
 import org.apache.beam.sdk.values.TimestampedValue;
 import org.apache.beam.sdk.values.TypeDescriptor;
-
-import com.google.common.base.Function;
-import com.google.common.collect.Iterables;
-
-import com.fasterxml.jackson.annotation.JsonCreator;
 import org.joda.time.Duration;
 import org.joda.time.Instant;
 import org.junit.Assert;
@@ -66,17 +73,6 @@ import org.junit.rules.ExpectedException;
 import org.junit.runner.RunWith;
 import org.junit.runners.JUnit4;
 
-import java.io.DataInputStream;
-import java.io.DataOutputStream;
-import java.io.IOException;
-import java.io.InputStream;
-import java.io.OutputStream;
-import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.List;
-import java.util.Map;
-import java.util.concurrent.ThreadLocalRandom;
-
 /**
  * Tests for GroupByKey.
  */

http://git-wip-us.apache.org/repos/asf/incubator-beam/blob/c623a271/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/IntraBundleParallelizationTest.java
----------------------------------------------------------------------
diff --git a/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/IntraBundleParallelizationTest.java b/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/IntraBundleParallelizationTest.java
index fa2fae9..b9afd35 100644
--- a/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/IntraBundleParallelizationTest.java
+++ b/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/IntraBundleParallelizationTest.java
@@ -20,7 +20,6 @@ package org.apache.beam.sdk.transforms;
 import static org.apache.beam.sdk.testing.SystemNanoTimeSleeper.sleepMillis;
 import static org.apache.beam.sdk.transforms.display.DisplayDataMatchers.hasDisplayItem;
 import static org.apache.beam.sdk.transforms.display.DisplayDataMatchers.includesDisplayDataFrom;
-
 import static org.hamcrest.Matchers.both;
 import static org.hamcrest.Matchers.containsString;
 import static org.hamcrest.Matchers.greaterThanOrEqualTo;
@@ -31,20 +30,18 @@ import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertThat;
 import static org.junit.Assert.fail;
 
+import java.util.ArrayList;
+import java.util.concurrent.atomic.AtomicInteger;
 import org.apache.beam.sdk.Pipeline;
 import org.apache.beam.sdk.testing.NeedsRunner;
 import org.apache.beam.sdk.testing.TestPipeline;
 import org.apache.beam.sdk.transforms.display.DisplayData;
-
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.experimental.categories.Category;
 import org.junit.runner.RunWith;
 import org.junit.runners.JUnit4;
 
-import java.util.ArrayList;
-import java.util.concurrent.atomic.AtomicInteger;
-
 /**
  * Tests for RateLimiter.
  */

http://git-wip-us.apache.org/repos/asf/incubator-beam/blob/c623a271/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/KeysTest.java
----------------------------------------------------------------------
diff --git a/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/KeysTest.java b/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/KeysTest.java
index cf30940..fce5b2f 100644
--- a/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/KeysTest.java
+++ b/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/KeysTest.java
@@ -17,6 +17,7 @@
  */
 package org.apache.beam.sdk.transforms;
 
+import java.util.Arrays;
 import org.apache.beam.sdk.Pipeline;
 import org.apache.beam.sdk.coders.BigEndianIntegerCoder;
 import org.apache.beam.sdk.coders.KvCoder;
@@ -26,14 +27,11 @@ import org.apache.beam.sdk.testing.RunnableOnService;
 import org.apache.beam.sdk.testing.TestPipeline;
 import org.apache.beam.sdk.values.KV;
 import org.apache.beam.sdk.values.PCollection;
-
 import org.junit.Test;
 import org.junit.experimental.categories.Category;
 import org.junit.runner.RunWith;
 import org.junit.runners.JUnit4;
 
-import java.util.Arrays;
-
 /**
  * Tests for Keys transform.
  */

http://git-wip-us.apache.org/repos/asf/incubator-beam/blob/c623a271/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/KvSwapTest.java
----------------------------------------------------------------------
diff --git a/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/KvSwapTest.java b/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/KvSwapTest.java
index 1a2d7f6..3598198 100644
--- a/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/KvSwapTest.java
+++ b/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/KvSwapTest.java
@@ -17,6 +17,7 @@
  */
 package org.apache.beam.sdk.transforms;
 
+import java.util.Arrays;
 import org.apache.beam.sdk.Pipeline;
 import org.apache.beam.sdk.coders.BigEndianIntegerCoder;
 import org.apache.beam.sdk.coders.KvCoder;
@@ -26,14 +27,11 @@ import org.apache.beam.sdk.testing.RunnableOnService;
 import org.apache.beam.sdk.testing.TestPipeline;
 import org.apache.beam.sdk.values.KV;
 import org.apache.beam.sdk.values.PCollection;
-
 import org.junit.Test;
 import org.junit.experimental.categories.Category;
 import org.junit.runner.RunWith;
 import org.junit.runners.JUnit4;
 
-import java.util.Arrays;
-
 /**
  * Tests for KvSwap transform.
  */

http://git-wip-us.apache.org/repos/asf/incubator-beam/blob/c623a271/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/MapElementsTest.java
----------------------------------------------------------------------
diff --git a/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/MapElementsTest.java b/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/MapElementsTest.java
index 7217bca..4a34c57 100644
--- a/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/MapElementsTest.java
+++ b/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/MapElementsTest.java
@@ -18,11 +18,12 @@
 package org.apache.beam.sdk.transforms;
 
 import static org.apache.beam.sdk.transforms.display.DisplayDataMatchers.hasDisplayItem;
-
 import static org.hamcrest.Matchers.equalTo;
 import static org.hamcrest.Matchers.hasItem;
 import static org.junit.Assert.assertThat;
 
+import java.io.Serializable;
+import java.util.Set;
 import org.apache.beam.sdk.Pipeline;
 import org.apache.beam.sdk.testing.NeedsRunner;
 import org.apache.beam.sdk.testing.PAssert;
@@ -33,7 +34,6 @@ import org.apache.beam.sdk.transforms.display.DisplayDataEvaluator;
 import org.apache.beam.sdk.values.KV;
 import org.apache.beam.sdk.values.PCollection;
 import org.apache.beam.sdk.values.TypeDescriptor;
-
 import org.junit.Rule;
 import org.junit.Test;
 import org.junit.experimental.categories.Category;
@@ -41,9 +41,6 @@ import org.junit.rules.ExpectedException;
 import org.junit.runner.RunWith;
 import org.junit.runners.JUnit4;
 
-import java.io.Serializable;
-import java.util.Set;
-
 /**
  * Tests for {@link MapElements}.
  */

http://git-wip-us.apache.org/repos/asf/incubator-beam/blob/c623a271/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/MaxTest.java
----------------------------------------------------------------------
diff --git a/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/MaxTest.java b/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/MaxTest.java
index 87fa554..5c78b3f 100644
--- a/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/MaxTest.java
+++ b/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/MaxTest.java
@@ -19,14 +19,11 @@ package org.apache.beam.sdk.transforms;
 
 import static org.apache.beam.sdk.TestUtils.checkCombineFn;
 import static org.apache.beam.sdk.transforms.display.DisplayDataMatchers.hasDisplayItem;
-
 import static org.hamcrest.MatcherAssert.assertThat;
 import static org.junit.Assert.assertEquals;
 
-import org.apache.beam.sdk.transforms.display.DisplayData;
-
 import com.google.common.collect.Lists;
-
+import org.apache.beam.sdk.transforms.display.DisplayData;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.junit.runners.JUnit4;

http://git-wip-us.apache.org/repos/asf/incubator-beam/blob/c623a271/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/MeanTest.java
----------------------------------------------------------------------
diff --git a/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/MeanTest.java b/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/MeanTest.java
index 65c876e..1c94e35 100644
--- a/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/MeanTest.java
+++ b/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/MeanTest.java
@@ -18,23 +18,19 @@
 package org.apache.beam.sdk.transforms;
 
 import static org.apache.beam.sdk.TestUtils.checkCombineFn;
-
 import static org.junit.Assert.assertEquals;
 
+import com.google.common.collect.Lists;
+import java.util.Arrays;
+import java.util.List;
 import org.apache.beam.sdk.coders.Coder;
 import org.apache.beam.sdk.testing.CoderProperties;
 import org.apache.beam.sdk.transforms.Mean.CountSum;
 import org.apache.beam.sdk.transforms.Mean.CountSumCoder;
-
-import com.google.common.collect.Lists;
-
 import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.junit.runners.JUnit4;
 
-import java.util.Arrays;
-import java.util.List;
-
 /**
  * Tests for Mean.
  */

http://git-wip-us.apache.org/repos/asf/incubator-beam/blob/c623a271/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/MinTest.java
----------------------------------------------------------------------
diff --git a/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/MinTest.java b/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/MinTest.java
index cd03a74..a0eca07 100644
--- a/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/MinTest.java
+++ b/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/MinTest.java
@@ -20,14 +20,11 @@ package org.apache.beam.sdk.transforms;
 
 import static org.apache.beam.sdk.TestUtils.checkCombineFn;
 import static org.apache.beam.sdk.transforms.display.DisplayDataMatchers.hasDisplayItem;
-
 import static org.hamcrest.MatcherAssert.assertThat;
 import static org.junit.Assert.assertEquals;
 
-import org.apache.beam.sdk.transforms.display.DisplayData;
-
 import com.google.common.collect.Lists;
-
+import org.apache.beam.sdk.transforms.display.DisplayData;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.junit.runners.JUnit4;

http://git-wip-us.apache.org/repos/asf/incubator-beam/blob/c623a271/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/NoOpOldDoFn.java
----------------------------------------------------------------------
diff --git a/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/NoOpOldDoFn.java b/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/NoOpOldDoFn.java
index 8f2bd5e..c732510 100644
--- a/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/NoOpOldDoFn.java
+++ b/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/NoOpOldDoFn.java
@@ -24,7 +24,6 @@ import org.apache.beam.sdk.transforms.windowing.PaneInfo;
 import org.apache.beam.sdk.util.WindowingInternals;
 import org.apache.beam.sdk.values.PCollectionView;
 import org.apache.beam.sdk.values.TupleTag;
-
 import org.joda.time.Instant;
 
 /**

http://git-wip-us.apache.org/repos/asf/incubator-beam/blob/c623a271/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/OldDoFnTest.java
----------------------------------------------------------------------
diff --git a/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/OldDoFnTest.java b/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/OldDoFnTest.java
index 5946d9a..e7ae135 100644
--- a/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/OldDoFnTest.java
+++ b/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/OldDoFnTest.java
@@ -24,6 +24,9 @@ import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertNotEquals;
 import static org.junit.Assert.assertThat;
 
+import com.google.common.collect.ImmutableMap;
+import java.io.Serializable;
+import java.util.Map;
 import org.apache.beam.sdk.AggregatorValues;
 import org.apache.beam.sdk.Pipeline;
 import org.apache.beam.sdk.Pipeline.PipelineExecutionException;
@@ -34,9 +37,6 @@ import org.apache.beam.sdk.transforms.Combine.CombineFn;
 import org.apache.beam.sdk.transforms.Max.MaxIntegerFn;
 import org.apache.beam.sdk.transforms.Sum.SumIntegerFn;
 import org.apache.beam.sdk.transforms.display.DisplayData;
-
-import com.google.common.collect.ImmutableMap;
-
 import org.junit.Rule;
 import org.junit.Test;
 import org.junit.experimental.categories.Category;
@@ -44,9 +44,6 @@ import org.junit.rules.ExpectedException;
 import org.junit.runner.RunWith;
 import org.junit.runners.JUnit4;
 
-import java.io.Serializable;
-import java.util.Map;
-
 /**
  * Tests for OldDoFn.
  */

http://git-wip-us.apache.org/repos/asf/incubator-beam/blob/c623a271/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/PTransformTest.java
----------------------------------------------------------------------
diff --git a/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/PTransformTest.java b/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/PTransformTest.java
index f7074c3..bfe8225 100644
--- a/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/PTransformTest.java
+++ b/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/PTransformTest.java
@@ -22,7 +22,6 @@ import static org.junit.Assert.assertThat;
 
 import org.apache.beam.sdk.transforms.display.DisplayData;
 import org.apache.beam.sdk.values.PCollection;
-
 import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.junit.runners.JUnit4;

http://git-wip-us.apache.org/repos/asf/incubator-beam/blob/c623a271/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/ParDoLifecycleTest.java
----------------------------------------------------------------------
diff --git a/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/ParDoLifecycleTest.java b/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/ParDoLifecycleTest.java
index c4ba8b7..f69c867 100644
--- a/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/ParDoLifecycleTest.java
+++ b/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/ParDoLifecycleTest.java
@@ -25,21 +25,19 @@ import static org.hamcrest.Matchers.is;
 import static org.junit.Assert.assertThat;
 import static org.junit.Assert.fail;
 
+import java.io.Serializable;
+import java.util.concurrent.atomic.AtomicBoolean;
 import org.apache.beam.sdk.testing.NeedsRunner;
 import org.apache.beam.sdk.testing.RunnableOnService;
 import org.apache.beam.sdk.testing.TestPipeline;
 import org.apache.beam.sdk.values.PCollectionList;
 import org.apache.beam.sdk.values.TupleTag;
 import org.apache.beam.sdk.values.TupleTagList;
-
 import org.junit.Test;
 import org.junit.experimental.categories.Category;
 import org.junit.runner.RunWith;
 import org.junit.runners.JUnit4;
 
-import java.io.Serializable;
-import java.util.concurrent.atomic.AtomicBoolean;
-
 /**
  * Tests that {@link ParDo} exercises {@link DoFn} methods in the appropriate sequence.
  */

http://git-wip-us.apache.org/repos/asf/incubator-beam/blob/c623a271/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/ParDoTest.java
----------------------------------------------------------------------
diff --git a/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/ParDoTest.java b/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/ParDoTest.java
index 13dec9a..0a4b3cd 100644
--- a/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/ParDoTest.java
+++ b/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/ParDoTest.java
@@ -17,6 +17,7 @@
  */
 package org.apache.beam.sdk.transforms;
 
+import static com.google.common.base.Preconditions.checkNotNull;
 import static org.apache.beam.sdk.transforms.display.DisplayDataMatchers.hasDisplayItem;
 import static org.apache.beam.sdk.transforms.display.DisplayDataMatchers.hasKey;
 import static org.apache.beam.sdk.transforms.display.DisplayDataMatchers.hasType;
@@ -24,7 +25,6 @@ import static org.apache.beam.sdk.transforms.display.DisplayDataMatchers.include
 import static org.apache.beam.sdk.util.SerializableUtils.serializeToByteArray;
 import static org.apache.beam.sdk.util.StringUtils.byteArrayToJsonString;
 import static org.apache.beam.sdk.util.StringUtils.jsonStringToByteArray;
-import static com.google.common.base.Preconditions.checkNotNull;
 import static org.hamcrest.Matchers.allOf;
 import static org.hamcrest.Matchers.anyOf;
 import static org.hamcrest.Matchers.equalTo;
@@ -34,6 +34,15 @@ import static org.junit.Assert.assertArrayEquals;
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertThat;
 
+import com.fasterxml.jackson.annotation.JsonCreator;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
+import java.io.Serializable;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.List;
 import org.apache.beam.sdk.Pipeline;
 import org.apache.beam.sdk.coders.AtomicCoder;
 import org.apache.beam.sdk.coders.CoderException;
@@ -56,9 +65,6 @@ import org.apache.beam.sdk.values.PCollectionView;
 import org.apache.beam.sdk.values.TimestampedValue;
 import org.apache.beam.sdk.values.TupleTag;
 import org.apache.beam.sdk.values.TupleTagList;
-
-import com.fasterxml.jackson.annotation.JsonCreator;
-
 import org.joda.time.Duration;
 import org.joda.time.Instant;
 import org.junit.Rule;
@@ -68,15 +74,6 @@ import org.junit.rules.ExpectedException;
 import org.junit.runner.RunWith;
 import org.junit.runners.JUnit4;
 
-import java.io.IOException;
-import java.io.InputStream;
-import java.io.OutputStream;
-import java.io.Serializable;
-import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.Collections;
-import java.util.List;
-
 /**
  * Tests for ParDo.
  */

http://git-wip-us.apache.org/repos/asf/incubator-beam/blob/c623a271/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/PartitionTest.java
----------------------------------------------------------------------
diff --git a/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/PartitionTest.java b/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/PartitionTest.java
index 0cc804e..1cbe344 100644
--- a/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/PartitionTest.java
+++ b/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/PartitionTest.java
@@ -18,11 +18,13 @@
 package org.apache.beam.sdk.transforms;
 
 import static org.apache.beam.sdk.transforms.display.DisplayDataMatchers.hasDisplayItem;
-
 import static org.hamcrest.MatcherAssert.assertThat;
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertTrue;
 
+import java.io.Serializable;
+import java.util.ArrayList;
+import java.util.List;
 import org.apache.beam.sdk.Pipeline;
 import org.apache.beam.sdk.testing.NeedsRunner;
 import org.apache.beam.sdk.testing.PAssert;
@@ -32,7 +34,6 @@ import org.apache.beam.sdk.transforms.Partition.PartitionFn;
 import org.apache.beam.sdk.transforms.display.DisplayData;
 import org.apache.beam.sdk.values.PCollection;
 import org.apache.beam.sdk.values.PCollectionList;
-
 import org.junit.Rule;
 import org.junit.Test;
 import org.junit.experimental.categories.Category;
@@ -40,10 +41,6 @@ import org.junit.rules.ExpectedException;
 import org.junit.runner.RunWith;
 import org.junit.runners.JUnit4;
 
-import java.io.Serializable;
-import java.util.ArrayList;
-import java.util.List;
-
 /**
  * Tests for {@link Partition}.
  */

http://git-wip-us.apache.org/repos/asf/incubator-beam/blob/c623a271/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/RemoveDuplicatesTest.java
----------------------------------------------------------------------
diff --git a/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/RemoveDuplicatesTest.java b/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/RemoveDuplicatesTest.java
index 0e919d2..312cba6 100644
--- a/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/RemoveDuplicatesTest.java
+++ b/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/RemoveDuplicatesTest.java
@@ -20,6 +20,10 @@ package org.apache.beam.sdk.transforms;
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertTrue;
 
+import java.util.Arrays;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
 import org.apache.beam.sdk.Pipeline;
 import org.apache.beam.sdk.coders.StringUtf8Coder;
 import org.apache.beam.sdk.testing.PAssert;
@@ -27,17 +31,11 @@ import org.apache.beam.sdk.testing.RunnableOnService;
 import org.apache.beam.sdk.testing.TestPipeline;
 import org.apache.beam.sdk.values.KV;
 import org.apache.beam.sdk.values.PCollection;
-
 import org.junit.Test;
 import org.junit.experimental.categories.Category;
 import org.junit.runner.RunWith;
 import org.junit.runners.JUnit4;
 
-import java.util.Arrays;
-import java.util.HashMap;
-import java.util.List;
-import java.util.Map;
-
 /**
  * Tests for RemovedDuplicates.
  */

http://git-wip-us.apache.org/repos/asf/incubator-beam/blob/c623a271/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/SampleTest.java
----------------------------------------------------------------------
diff --git a/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/SampleTest.java b/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/SampleTest.java
index e7f8cd0..a0555fa 100644
--- a/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/SampleTest.java
+++ b/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/SampleTest.java
@@ -17,16 +17,21 @@
  */
 package org.apache.beam.sdk.transforms;
 
+import static com.google.common.base.Preconditions.checkArgument;
 import static org.apache.beam.sdk.TestUtils.LINES;
 import static org.apache.beam.sdk.TestUtils.NO_LINES;
 import static org.apache.beam.sdk.transforms.display.DisplayDataMatchers.hasDisplayItem;
-
-import static com.google.common.base.Preconditions.checkArgument;
-
 import static org.hamcrest.MatcherAssert.assertThat;
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertTrue;
 
+import com.google.common.base.Joiner;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Set;
+import java.util.TreeSet;
 import org.apache.beam.sdk.Pipeline;
 import org.apache.beam.sdk.coders.BigEndianIntegerCoder;
 import org.apache.beam.sdk.coders.StringUtf8Coder;
@@ -36,21 +41,11 @@ import org.apache.beam.sdk.testing.RunnableOnService;
 import org.apache.beam.sdk.testing.TestPipeline;
 import org.apache.beam.sdk.transforms.display.DisplayData;
 import org.apache.beam.sdk.values.PCollection;
-
-import com.google.common.base.Joiner;
-
 import org.junit.Test;
 import org.junit.experimental.categories.Category;
 import org.junit.runner.RunWith;
 import org.junit.runners.JUnit4;
 
-import java.util.ArrayList;
-import java.util.Collections;
-import java.util.HashSet;
-import java.util.List;
-import java.util.Set;
-import java.util.TreeSet;
-
 /**
  * Tests for Sample transform.
  */

http://git-wip-us.apache.org/repos/asf/incubator-beam/blob/c623a271/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/SimpleStatsFnsTest.java
----------------------------------------------------------------------
diff --git a/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/SimpleStatsFnsTest.java b/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/SimpleStatsFnsTest.java
index dc8355b..a782ecc 100644
--- a/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/SimpleStatsFnsTest.java
+++ b/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/SimpleStatsFnsTest.java
@@ -19,15 +19,14 @@ package org.apache.beam.sdk.transforms;
 
 import static org.junit.Assert.assertEquals;
 
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.List;
 import org.joda.time.Instant;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.junit.runners.JUnit4;
 
-import java.util.Arrays;
-import java.util.Collections;
-import java.util.List;
-
 /**
  * Tests of Min, Max, Mean, and Sum.
  */

http://git-wip-us.apache.org/repos/asf/incubator-beam/blob/c623a271/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/SumTest.java
----------------------------------------------------------------------
diff --git a/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/SumTest.java b/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/SumTest.java
index 4af6db1..b4f723d 100644
--- a/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/SumTest.java
+++ b/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/SumTest.java
@@ -18,19 +18,16 @@
 package org.apache.beam.sdk.transforms;
 
 import static org.apache.beam.sdk.TestUtils.checkCombineFn;
-
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertNotEquals;
 
+import com.google.common.collect.Lists;
 import org.apache.beam.sdk.coders.BigEndianIntegerCoder;
 import org.apache.beam.sdk.coders.BigEndianLongCoder;
 import org.apache.beam.sdk.coders.CoderRegistry;
 import org.apache.beam.sdk.coders.DoubleCoder;
 import org.apache.beam.sdk.coders.VarIntCoder;
 import org.apache.beam.sdk.coders.VarLongCoder;
-
-import com.google.common.collect.Lists;
-
 import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.junit.runners.JUnit4;

http://git-wip-us.apache.org/repos/asf/incubator-beam/blob/c623a271/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/TopTest.java
----------------------------------------------------------------------
diff --git a/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/TopTest.java b/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/TopTest.java
index fc0e659..b624252 100644
--- a/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/TopTest.java
+++ b/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/TopTest.java
@@ -18,10 +18,14 @@
 package org.apache.beam.sdk.transforms;
 
 import static org.apache.beam.sdk.transforms.display.DisplayDataMatchers.hasDisplayItem;
-
 import static org.hamcrest.MatcherAssert.assertThat;
 import static org.junit.Assert.assertEquals;
 
+import java.io.Serializable;
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.Comparator;
+import java.util.List;
 import org.apache.beam.sdk.Pipeline;
 import org.apache.beam.sdk.coders.BigEndianIntegerCoder;
 import org.apache.beam.sdk.coders.KvCoder;
@@ -35,7 +39,6 @@ import org.apache.beam.sdk.transforms.windowing.Window;
 import org.apache.beam.sdk.transforms.windowing.Window.Bound;
 import org.apache.beam.sdk.values.KV;
 import org.apache.beam.sdk.values.PCollection;
-
 import org.hamcrest.Matchers;
 import org.joda.time.Duration;
 import org.junit.Rule;
@@ -45,12 +48,6 @@ import org.junit.rules.ExpectedException;
 import org.junit.runner.RunWith;
 import org.junit.runners.JUnit4;
 
-import java.io.Serializable;
-import java.util.Arrays;
-import java.util.Collections;
-import java.util.Comparator;
-import java.util.List;
-
 /** Tests for Top. */
 @RunWith(JUnit4.class)
 public class TopTest {

http://git-wip-us.apache.org/repos/asf/incubator-beam/blob/c623a271/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/ValuesTest.java
----------------------------------------------------------------------
diff --git a/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/ValuesTest.java b/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/ValuesTest.java
index 238ba7b..0bf2e2e 100644
--- a/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/ValuesTest.java
+++ b/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/ValuesTest.java
@@ -19,6 +19,7 @@ package org.apache.beam.sdk.transforms;
 
 import static org.junit.Assert.assertEquals;
 
+import java.util.Arrays;
 import org.apache.beam.sdk.Pipeline;
 import org.apache.beam.sdk.coders.BigEndianIntegerCoder;
 import org.apache.beam.sdk.coders.KvCoder;
@@ -28,14 +29,11 @@ import org.apache.beam.sdk.testing.RunnableOnService;
 import org.apache.beam.sdk.testing.TestPipeline;
 import org.apache.beam.sdk.values.KV;
 import org.apache.beam.sdk.values.PCollection;
-
 import org.junit.Test;
 import org.junit.experimental.categories.Category;
 import org.junit.runner.RunWith;
 import org.junit.runners.JUnit4;
 
-import java.util.Arrays;
-
 /**
  * Tests for Values transform.
  */

http://git-wip-us.apache.org/repos/asf/incubator-beam/blob/c623a271/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/ViewTest.java
----------------------------------------------------------------------
diff --git a/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/ViewTest.java b/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/ViewTest.java
index 170e6ce..69b6186 100644
--- a/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/ViewTest.java
+++ b/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/ViewTest.java
@@ -17,16 +17,26 @@
  */
 package org.apache.beam.sdk.transforms;
 
-import static org.apache.beam.sdk.values.KV.of;
-
 import static com.google.common.base.Preconditions.checkArgument;
-
+import static org.apache.beam.sdk.values.KV.of;
 import static org.hamcrest.Matchers.isA;
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.assertTrue;
 import static org.junit.Assert.fail;
 
+import com.google.common.collect.ImmutableList;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
+import java.io.Serializable;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.Iterator;
+import java.util.List;
+import java.util.Map;
+import java.util.Map.Entry;
+import java.util.NoSuchElementException;
 import org.apache.beam.sdk.Pipeline;
 import org.apache.beam.sdk.Pipeline.PipelineExecutionException;
 import org.apache.beam.sdk.coders.Coder;
@@ -52,9 +62,6 @@ import org.apache.beam.sdk.values.PCollection;
 import org.apache.beam.sdk.values.PCollectionView;
 import org.apache.beam.sdk.values.TimestampedValue;
 import org.apache.beam.sdk.values.TypeDescriptor;
-
-import com.google.common.collect.ImmutableList;
-
 import org.hamcrest.Matchers;
 import org.joda.time.Duration;
 import org.joda.time.Instant;
@@ -66,18 +73,6 @@ import org.junit.rules.ExpectedException;
 import org.junit.runner.RunWith;
 import org.junit.runners.JUnit4;
 
-import java.io.IOException;
-import java.io.InputStream;
-import java.io.OutputStream;
-import java.io.Serializable;
-import java.util.ArrayList;
-import java.util.HashMap;
-import java.util.Iterator;
-import java.util.List;
-import java.util.Map;
-import java.util.Map.Entry;
-import java.util.NoSuchElementException;
-
 /**
  * Tests for {@link View}. See also {@link ParDoTest}, which
  * provides additional coverage since views can only be

http://git-wip-us.apache.org/repos/asf/incubator-beam/blob/c623a271/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/WithKeysTest.java
----------------------------------------------------------------------
diff --git a/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/WithKeysTest.java b/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/WithKeysTest.java
index c23dd36..f958807 100644
--- a/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/WithKeysTest.java
+++ b/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/WithKeysTest.java
@@ -19,6 +19,8 @@ package org.apache.beam.sdk.transforms;
 
 import static org.junit.Assert.assertEquals;
 
+import java.util.Arrays;
+import java.util.List;
 import org.apache.beam.sdk.Pipeline;
 import org.apache.beam.sdk.coders.StringUtf8Coder;
 import org.apache.beam.sdk.testing.NeedsRunner;
@@ -27,15 +29,11 @@ import org.apache.beam.sdk.testing.TestPipeline;
 import org.apache.beam.sdk.values.KV;
 import org.apache.beam.sdk.values.PCollection;
 import org.apache.beam.sdk.values.TypeDescriptor;
-
 import org.junit.Test;
 import org.junit.experimental.categories.Category;
 import org.junit.runner.RunWith;
 import org.junit.runners.JUnit4;
 
-import java.util.Arrays;
-import java.util.List;
-
 /**
  * Tests for ExtractKeys transform.
  */

http://git-wip-us.apache.org/repos/asf/incubator-beam/blob/c623a271/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/WithTimestampsTest.java
----------------------------------------------------------------------
diff --git a/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/WithTimestampsTest.java b/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/WithTimestampsTest.java
index e381470..923b97c 100644
--- a/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/WithTimestampsTest.java
+++ b/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/WithTimestampsTest.java
@@ -19,6 +19,7 @@ package org.apache.beam.sdk.transforms;
 
 import static org.hamcrest.Matchers.isA;
 
+import java.io.Serializable;
 import org.apache.beam.sdk.Pipeline.PipelineExecutionException;
 import org.apache.beam.sdk.testing.NeedsRunner;
 import org.apache.beam.sdk.testing.PAssert;
@@ -26,7 +27,6 @@ import org.apache.beam.sdk.testing.RunnableOnService;
 import org.apache.beam.sdk.testing.TestPipeline;
 import org.apache.beam.sdk.values.KV;
 import org.apache.beam.sdk.values.PCollection;
-
 import org.joda.time.Duration;
 import org.joda.time.Instant;
 import org.junit.Rule;
@@ -36,8 +36,6 @@ import org.junit.rules.ExpectedException;
 import org.junit.runner.RunWith;
 import org.junit.runners.JUnit4;
 
-import java.io.Serializable;
-
 /**
  * Tests for {@link WithTimestamps}.
  */

http://git-wip-us.apache.org/repos/asf/incubator-beam/blob/c623a271/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/display/DisplayDataEvaluator.java
----------------------------------------------------------------------
diff --git a/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/display/DisplayDataEvaluator.java b/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/display/DisplayDataEvaluator.java
index dc8c1e9..1783a73 100644
--- a/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/display/DisplayDataEvaluator.java
+++ b/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/display/DisplayDataEvaluator.java
@@ -17,6 +17,9 @@
  */
 package org.apache.beam.sdk.transforms.display;
 
+import com.google.common.collect.Sets;
+import java.util.Objects;
+import java.util.Set;
 import org.apache.beam.sdk.Pipeline;
 import org.apache.beam.sdk.coders.Coder;
 import org.apache.beam.sdk.options.PipelineOptions;
@@ -29,11 +32,6 @@ import org.apache.beam.sdk.values.PBegin;
 import org.apache.beam.sdk.values.PCollection;
 import org.apache.beam.sdk.values.POutput;
 
-import com.google.common.collect.Sets;
-
-import java.util.Objects;
-import java.util.Set;
-
 /**
  * Test utilities to evaluate the {@link DisplayData} in the context of a {@link PipelineRunner}.
  */

http://git-wip-us.apache.org/repos/asf/incubator-beam/blob/c623a271/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/display/DisplayDataEvaluatorTest.java
----------------------------------------------------------------------
diff --git a/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/display/DisplayDataEvaluatorTest.java b/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/display/DisplayDataEvaluatorTest.java
index e233114..7630779 100644
--- a/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/display/DisplayDataEvaluatorTest.java
+++ b/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/display/DisplayDataEvaluatorTest.java
@@ -18,11 +18,12 @@
 package org.apache.beam.sdk.transforms.display;
 
 import static org.apache.beam.sdk.transforms.display.DisplayDataMatchers.hasDisplayItem;
-
 import static org.hamcrest.Matchers.hasItem;
 import static org.hamcrest.Matchers.not;
 import static org.junit.Assert.assertThat;
 
+import java.io.Serializable;
+import java.util.Set;
 import org.apache.beam.sdk.io.TextIO;
 import org.apache.beam.sdk.transforms.DoFn;
 import org.apache.beam.sdk.transforms.PTransform;
@@ -30,14 +31,10 @@ import org.apache.beam.sdk.transforms.ParDo;
 import org.apache.beam.sdk.values.PBegin;
 import org.apache.beam.sdk.values.PCollection;
 import org.apache.beam.sdk.values.POutput;
-
 import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.junit.runners.JUnit4;
 
-import java.io.Serializable;
-import java.util.Set;
-
 /**
  * Unit tests for {@link DisplayDataEvaluator}.
  */

http://git-wip-us.apache.org/repos/asf/incubator-beam/blob/c623a271/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/display/DisplayDataMatchers.java
----------------------------------------------------------------------
diff --git a/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/display/DisplayDataMatchers.java b/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/display/DisplayDataMatchers.java
index 025a1f7..e9db522 100644
--- a/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/display/DisplayDataMatchers.java
+++ b/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/display/DisplayDataMatchers.java
@@ -19,10 +19,9 @@ package org.apache.beam.sdk.transforms.display;
 
 import static org.hamcrest.Matchers.allOf;
 
-import org.apache.beam.sdk.transforms.display.DisplayData.Item;
-
 import com.google.common.collect.Sets;
-
+import java.util.Collection;
+import org.apache.beam.sdk.transforms.display.DisplayData.Item;
 import org.hamcrest.CustomTypeSafeMatcher;
 import org.hamcrest.Description;
 import org.hamcrest.FeatureMatcher;
@@ -32,8 +31,6 @@ import org.hamcrest.TypeSafeDiagnosingMatcher;
 import org.joda.time.Duration;
 import org.joda.time.Instant;
 
-import java.util.Collection;
-
 /**
  * Hamcrest matcher for making assertions on {@link DisplayData} instances.
  */

http://git-wip-us.apache.org/repos/asf/incubator-beam/blob/c623a271/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/display/DisplayDataMatchersTest.java
----------------------------------------------------------------------
diff --git a/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/display/DisplayDataMatchersTest.java b/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/display/DisplayDataMatchersTest.java
index fa44390..3ea6830 100644
--- a/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/display/DisplayDataMatchersTest.java
+++ b/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/display/DisplayDataMatchersTest.java
@@ -22,7 +22,6 @@ import static org.apache.beam.sdk.transforms.display.DisplayDataMatchers.hasName
 import static org.apache.beam.sdk.transforms.display.DisplayDataMatchers.hasType;
 import static org.apache.beam.sdk.transforms.display.DisplayDataMatchers.hasValue;
 import static org.apache.beam.sdk.transforms.display.DisplayDataMatchers.includesDisplayDataFrom;
-
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.assertThat;
@@ -30,7 +29,6 @@ import static org.junit.Assert.assertThat;
 import org.apache.beam.sdk.transforms.PTransform;
 import org.apache.beam.sdk.transforms.display.DisplayData.Builder;
 import org.apache.beam.sdk.values.PCollection;
-
 import org.hamcrest.Description;
 import org.hamcrest.Matcher;
 import org.hamcrest.StringDescription;

http://git-wip-us.apache.org/repos/asf/incubator-beam/blob/c623a271/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/display/DisplayDataTest.java
----------------------------------------------------------------------
diff --git a/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/display/DisplayDataTest.java b/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/display/DisplayDataTest.java
index e2f38b4..a709bd8 100644
--- a/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/display/DisplayDataTest.java
+++ b/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/display/DisplayDataTest.java
@@ -24,7 +24,6 @@ import static org.apache.beam.sdk.transforms.display.DisplayDataMatchers.hasName
 import static org.apache.beam.sdk.transforms.display.DisplayDataMatchers.hasType;
 import static org.apache.beam.sdk.transforms.display.DisplayDataMatchers.hasValue;
 import static org.apache.beam.sdk.transforms.display.DisplayDataMatchers.includesDisplayDataFrom;
-
 import static org.hamcrest.Matchers.allOf;
 import static org.hamcrest.Matchers.empty;
 import static org.hamcrest.Matchers.everyItem;
@@ -41,20 +40,23 @@ import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertThat;
 import static org.junit.Assert.fail;
 
+import com.fasterxml.jackson.databind.JsonNode;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.google.common.collect.ImmutableMap;
+import com.google.common.collect.ImmutableMultimap;
+import com.google.common.collect.Multimap;
+import com.google.common.testing.EqualsTester;
+import java.io.IOException;
+import java.io.Serializable;
+import java.util.Collection;
+import java.util.Map;
+import java.util.regex.Pattern;
 import org.apache.beam.sdk.transforms.DoFn;
 import org.apache.beam.sdk.transforms.PTransform;
 import org.apache.beam.sdk.transforms.ParDo;
 import org.apache.beam.sdk.transforms.display.DisplayData.Builder;
 import org.apache.beam.sdk.transforms.display.DisplayData.Item;
 import org.apache.beam.sdk.values.PCollection;
-
-import com.google.common.collect.ImmutableMap;
-import com.google.common.collect.ImmutableMultimap;
-import com.google.common.collect.Multimap;
-import com.google.common.testing.EqualsTester;
-
-import com.fasterxml.jackson.databind.JsonNode;
-import com.fasterxml.jackson.databind.ObjectMapper;
 import org.hamcrest.CustomTypeSafeMatcher;
 import org.hamcrest.FeatureMatcher;
 import org.hamcrest.Matcher;
@@ -69,12 +71,6 @@ import org.junit.rules.ExpectedException;
 import org.junit.runner.RunWith;
 import org.junit.runners.JUnit4;
 
-import java.io.IOException;
-import java.io.Serializable;
-import java.util.Collection;
-import java.util.Map;
-import java.util.regex.Pattern;
-
 /**
  * Tests for {@link DisplayData} class.
  */

http://git-wip-us.apache.org/repos/asf/incubator-beam/blob/c623a271/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/join/CoGbkResultCoderTest.java
----------------------------------------------------------------------
diff --git a/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/join/CoGbkResultCoderTest.java b/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/join/CoGbkResultCoderTest.java
index 0a0a3f1..18ecd9b 100644
--- a/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/join/CoGbkResultCoderTest.java
+++ b/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/join/CoGbkResultCoderTest.java
@@ -19,6 +19,7 @@ package org.apache.beam.sdk.transforms.join;
 
 import static org.junit.Assert.assertFalse;
 
+import com.google.common.collect.ImmutableList;
 import org.apache.beam.sdk.coders.BigEndianIntegerCoder;
 import org.apache.beam.sdk.coders.Coder;
 import org.apache.beam.sdk.coders.DoubleCoder;
@@ -28,9 +29,6 @@ import org.apache.beam.sdk.testing.CoderProperties;
 import org.apache.beam.sdk.transforms.join.CoGbkResult.CoGbkResultCoder;
 import org.apache.beam.sdk.values.TupleTag;
 import org.apache.beam.sdk.values.TupleTagList;
-
-import com.google.common.collect.ImmutableList;
-
 import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.junit.runners.JUnit4;

http://git-wip-us.apache.org/repos/asf/incubator-beam/blob/c623a271/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/join/CoGbkResultTest.java
----------------------------------------------------------------------
diff --git a/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/join/CoGbkResultTest.java b/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/join/CoGbkResultTest.java
index aa7cb5c..50a6237 100644
--- a/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/join/CoGbkResultTest.java
+++ b/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/join/CoGbkResultTest.java
@@ -22,18 +22,16 @@ import static org.hamcrest.Matchers.emptyIterable;
 import static org.hamcrest.Matchers.equalTo;
 import static org.junit.Assert.assertThat;
 
+import java.util.ArrayList;
+import java.util.List;
 import org.apache.beam.sdk.util.common.Reiterable;
 import org.apache.beam.sdk.util.common.Reiterator;
 import org.apache.beam.sdk.values.TupleTag;
 import org.apache.beam.sdk.values.TupleTagList;
-
 import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.junit.runners.JUnit4;
 
-import java.util.ArrayList;
-import java.util.List;
-
 /**
  * Tests the CoGbkResult.
  */

http://git-wip-us.apache.org/repos/asf/incubator-beam/blob/c623a271/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/join/CoGroupByKeyTest.java
----------------------------------------------------------------------
diff --git a/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/join/CoGroupByKeyTest.java b/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/join/CoGroupByKeyTest.java
index c6f82ec..e8c8b15 100644
--- a/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/join/CoGroupByKeyTest.java
+++ b/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/join/CoGroupByKeyTest.java
@@ -21,6 +21,12 @@ import static org.hamcrest.collection.IsIterableContainingInAnyOrder.containsInA
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertThat;
 
+import com.google.common.collect.Iterables;
+import java.io.Serializable;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+import java.util.Map;
 import org.apache.beam.sdk.Pipeline;
 import org.apache.beam.sdk.coders.BigEndianIntegerCoder;
 import org.apache.beam.sdk.coders.KvCoder;
@@ -40,21 +46,12 @@ import org.apache.beam.sdk.transforms.windowing.Window;
 import org.apache.beam.sdk.values.KV;
 import org.apache.beam.sdk.values.PCollection;
 import org.apache.beam.sdk.values.TupleTag;
-
-import com.google.common.collect.Iterables;
-
 import org.joda.time.Duration;
 import org.junit.Test;
 import org.junit.experimental.categories.Category;
 import org.junit.runner.RunWith;
 import org.junit.runners.JUnit4;
 
-import java.io.Serializable;
-import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.List;
-import java.util.Map;
-
 /**
  * Tests for CoGroupByKeyTest.  Implements Serializable for anonymous DoFns.
  */

http://git-wip-us.apache.org/repos/asf/incubator-beam/blob/c623a271/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/join/UnionCoderTest.java
----------------------------------------------------------------------
diff --git a/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/join/UnionCoderTest.java b/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/join/UnionCoderTest.java
index fb80fb6..41ba952 100644
--- a/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/join/UnionCoderTest.java
+++ b/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/join/UnionCoderTest.java
@@ -19,18 +19,16 @@ package org.apache.beam.sdk.transforms.join;
 
 import static org.junit.Assert.assertEquals;
 
+import java.util.Arrays;
 import org.apache.beam.sdk.coders.Coder;
 import org.apache.beam.sdk.coders.DoubleCoder;
 import org.apache.beam.sdk.coders.StringUtf8Coder;
 import org.apache.beam.sdk.util.CloudObject;
 import org.apache.beam.sdk.util.Serializer;
-
 import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.junit.runners.JUnit4;
 
-import java.util.Arrays;
-
 /**
  * Tests the UnionCoder.
  */

http://git-wip-us.apache.org/repos/asf/incubator-beam/blob/c623a271/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/reflect/DoFnInvokersTest.java
----------------------------------------------------------------------
diff --git a/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/reflect/DoFnInvokersTest.java b/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/reflect/DoFnInvokersTest.java
index 28f0143..9317ea2 100644
--- a/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/reflect/DoFnInvokersTest.java
+++ b/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/reflect/DoFnInvokersTest.java
@@ -24,7 +24,6 @@ import static org.junit.Assert.assertTrue;
 import org.apache.beam.sdk.transforms.DoFn;
 import org.apache.beam.sdk.transforms.windowing.BoundedWindow;
 import org.apache.beam.sdk.util.UserCodeException;
-
 import org.junit.Before;
 import org.junit.Rule;
 import org.junit.Test;

http://git-wip-us.apache.org/repos/asf/incubator-beam/blob/c623a271/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/reflect/DoFnSignaturesTest.java
----------------------------------------------------------------------
diff --git a/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/reflect/DoFnSignaturesTest.java b/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/reflect/DoFnSignaturesTest.java
index 1a26df2..447b993 100644
--- a/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/reflect/DoFnSignaturesTest.java
+++ b/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/reflect/DoFnSignaturesTest.java
@@ -17,19 +17,16 @@
  */
 package org.apache.beam.sdk.transforms.reflect;
 
-import org.apache.beam.sdk.transforms.DoFn;
-
 import com.google.common.reflect.TypeToken;
-
+import java.lang.reflect.Method;
+import java.util.List;
+import org.apache.beam.sdk.transforms.DoFn;
 import org.junit.Rule;
 import org.junit.Test;
 import org.junit.rules.ExpectedException;
 import org.junit.runner.RunWith;
 import org.junit.runners.JUnit4;
 
-import java.lang.reflect.Method;
-import java.util.List;
-
 /** Tests for {@link DoFnSignatures}. */
 @RunWith(JUnit4.class)
 public class DoFnSignaturesTest {

http://git-wip-us.apache.org/repos/asf/incubator-beam/blob/c623a271/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/windowing/AfterAllTest.java
----------------------------------------------------------------------
diff --git a/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/windowing/AfterAllTest.java b/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/windowing/AfterAllTest.java
index b798013..b591229 100644
--- a/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/windowing/AfterAllTest.java
+++ b/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/windowing/AfterAllTest.java
@@ -24,7 +24,6 @@ import static org.junit.Assert.assertTrue;
 import org.apache.beam.sdk.transforms.windowing.Trigger.OnceTrigger;
 import org.apache.beam.sdk.util.TriggerTester;
 import org.apache.beam.sdk.util.TriggerTester.SimpleTriggerTester;
-
 import org.joda.time.Duration;
 import org.joda.time.Instant;
 import org.junit.Test;

http://git-wip-us.apache.org/repos/asf/incubator-beam/blob/c623a271/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/windowing/AfterEachTest.java
----------------------------------------------------------------------
diff --git a/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/windowing/AfterEachTest.java b/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/windowing/AfterEachTest.java
index df557eb..c413c6e 100644
--- a/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/windowing/AfterEachTest.java
+++ b/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/windowing/AfterEachTest.java
@@ -24,7 +24,6 @@ import static org.junit.Assert.assertTrue;
 import org.apache.beam.sdk.transforms.windowing.Trigger.OnceTrigger;
 import org.apache.beam.sdk.util.TriggerTester;
 import org.apache.beam.sdk.util.TriggerTester.SimpleTriggerTester;
-
 import org.joda.time.Duration;
 import org.joda.time.Instant;
 import org.junit.Before;

http://git-wip-us.apache.org/repos/asf/incubator-beam/blob/c623a271/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/windowing/AfterFirstTest.java
----------------------------------------------------------------------
diff --git a/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/windowing/AfterFirstTest.java b/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/windowing/AfterFirstTest.java
index a166694..415060b 100644
--- a/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/windowing/AfterFirstTest.java
+++ b/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/windowing/AfterFirstTest.java
@@ -25,7 +25,6 @@ import static org.mockito.Mockito.when;
 import org.apache.beam.sdk.transforms.windowing.Trigger.OnceTrigger;
 import org.apache.beam.sdk.util.TriggerTester;
 import org.apache.beam.sdk.util.TriggerTester.SimpleTriggerTester;
-
 import org.joda.time.Duration;
 import org.joda.time.Instant;
 import org.junit.Before;

http://git-wip-us.apache.org/repos/asf/incubator-beam/blob/c623a271/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/windowing/AfterPaneTest.java
----------------------------------------------------------------------
diff --git a/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/windowing/AfterPaneTest.java b/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/windowing/AfterPaneTest.java
index 76ee49c..38d030e 100644
--- a/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/windowing/AfterPaneTest.java
+++ b/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/windowing/AfterPaneTest.java
@@ -23,7 +23,6 @@ import static org.junit.Assert.assertTrue;
 
 import org.apache.beam.sdk.util.TriggerTester;
 import org.apache.beam.sdk.util.TriggerTester.SimpleTriggerTester;
-
 import org.joda.time.Duration;
 import org.joda.time.Instant;
 import org.junit.Test;

http://git-wip-us.apache.org/repos/asf/incubator-beam/blob/c623a271/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/windowing/AfterProcessingTimeTest.java
----------------------------------------------------------------------
diff --git a/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/windowing/AfterProcessingTimeTest.java b/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/windowing/AfterProcessingTimeTest.java
index ea9c2b0..13a7acf 100644
--- a/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/windowing/AfterProcessingTimeTest.java
+++ b/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/windowing/AfterProcessingTimeTest.java
@@ -24,7 +24,6 @@ import static org.junit.Assert.assertTrue;
 import org.apache.beam.sdk.transforms.windowing.Trigger.OnceTrigger;
 import org.apache.beam.sdk.util.TriggerTester;
 import org.apache.beam.sdk.util.TriggerTester.SimpleTriggerTester;
-
 import org.joda.time.Duration;
 import org.joda.time.Instant;
 import org.junit.Test;

http://git-wip-us.apache.org/repos/asf/incubator-beam/blob/c623a271/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/windowing/AfterSynchronizedProcessingTimeTest.java
----------------------------------------------------------------------
diff --git a/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/windowing/AfterSynchronizedProcessingTimeTest.java b/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/windowing/AfterSynchronizedProcessingTimeTest.java
index 4c089db..7e6e938 100644
--- a/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/windowing/AfterSynchronizedProcessingTimeTest.java
+++ b/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/windowing/AfterSynchronizedProcessingTimeTest.java
@@ -23,7 +23,6 @@ import static org.junit.Assert.assertTrue;
 
 import org.apache.beam.sdk.util.TriggerTester;
 import org.apache.beam.sdk.util.TriggerTester.SimpleTriggerTester;
-
 import org.joda.time.Duration;
 import org.joda.time.Instant;
 import org.junit.Test;

http://git-wip-us.apache.org/repos/asf/incubator-beam/blob/c623a271/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/windowing/AfterWatermarkTest.java
----------------------------------------------------------------------
diff --git a/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/windowing/AfterWatermarkTest.java b/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/windowing/AfterWatermarkTest.java
index 418f746..084027b 100644
--- a/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/windowing/AfterWatermarkTest.java
+++ b/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/windowing/AfterWatermarkTest.java
@@ -26,7 +26,6 @@ import static org.mockito.Mockito.when;
 import org.apache.beam.sdk.transforms.windowing.Trigger.OnceTrigger;
 import org.apache.beam.sdk.util.TriggerTester;
 import org.apache.beam.sdk.util.TriggerTester.SimpleTriggerTester;
-
 import org.joda.time.Duration;
 import org.joda.time.Instant;
 import org.junit.Before;

http://git-wip-us.apache.org/repos/asf/incubator-beam/blob/c623a271/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/windowing/CalendarWindowsTest.java
----------------------------------------------------------------------
diff --git a/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/windowing/CalendarWindowsTest.java b/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/windowing/CalendarWindowsTest.java
index 4598a27..54cdd06 100644
--- a/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/windowing/CalendarWindowsTest.java
+++ b/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/windowing/CalendarWindowsTest.java
@@ -20,12 +20,15 @@ package org.apache.beam.sdk.transforms.windowing;
 import static org.apache.beam.sdk.testing.WindowFnTestUtils.runWindowFn;
 import static org.apache.beam.sdk.testing.WindowFnTestUtils.set;
 import static org.apache.beam.sdk.transforms.display.DisplayDataMatchers.hasDisplayItem;
-
 import static org.hamcrest.MatcherAssert.assertThat;
 import static org.junit.Assert.assertEquals;
 
+import java.util.Arrays;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
 import org.apache.beam.sdk.transforms.display.DisplayData;
-
 import org.joda.time.DateTime;
 import org.joda.time.DateTimeConstants;
 import org.joda.time.DateTimeZone;
@@ -34,12 +37,6 @@ import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.junit.runners.JUnit4;
 
-import java.util.Arrays;
-import java.util.HashMap;
-import java.util.List;
-import java.util.Map;
-import java.util.Set;
-
 /**
  * Tests for CalendarWindows WindowFn.
  */

http://git-wip-us.apache.org/repos/asf/incubator-beam/blob/c623a271/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/windowing/DefaultTriggerTest.java
----------------------------------------------------------------------
diff --git a/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/windowing/DefaultTriggerTest.java b/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/windowing/DefaultTriggerTest.java
index 6ed1c81..673e555 100644
--- a/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/windowing/DefaultTriggerTest.java
+++ b/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/windowing/DefaultTriggerTest.java
@@ -23,7 +23,6 @@ import static org.junit.Assert.assertTrue;
 
 import org.apache.beam.sdk.util.TriggerTester;
 import org.apache.beam.sdk.util.TriggerTester.SimpleTriggerTester;
-
 import org.joda.time.Duration;
 import org.joda.time.Instant;
 import org.junit.Test;

http://git-wip-us.apache.org/repos/asf/incubator-beam/blob/c623a271/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/windowing/FixedWindowsTest.java
----------------------------------------------------------------------
diff --git a/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/windowing/FixedWindowsTest.java b/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/windowing/FixedWindowsTest.java
index fc1caac..afa5d60 100644
--- a/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/windowing/FixedWindowsTest.java
+++ b/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/windowing/FixedWindowsTest.java
@@ -20,7 +20,6 @@ package org.apache.beam.sdk.transforms.windowing;
 import static org.apache.beam.sdk.testing.WindowFnTestUtils.runWindowFn;
 import static org.apache.beam.sdk.testing.WindowFnTestUtils.set;
 import static org.apache.beam.sdk.transforms.display.DisplayDataMatchers.hasDisplayItem;
-
 import static org.hamcrest.CoreMatchers.containsString;
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertFalse;
@@ -28,20 +27,18 @@ import static org.junit.Assert.assertThat;
 import static org.junit.Assert.assertTrue;
 import static org.junit.Assert.fail;
 
+import java.util.Arrays;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.Set;
 import org.apache.beam.sdk.testing.WindowFnTestUtils;
 import org.apache.beam.sdk.transforms.display.DisplayData;
-
 import org.joda.time.Duration;
 import org.joda.time.Instant;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.junit.runners.JUnit4;
 
-import java.util.Arrays;
-import java.util.HashMap;
-import java.util.Map;
-import java.util.Set;
-
 /**
  * Tests for FixedWindows WindowFn.
  */

http://git-wip-us.apache.org/repos/asf/incubator-beam/blob/c623a271/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/windowing/IntervalWindowTest.java
----------------------------------------------------------------------
diff --git a/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/windowing/IntervalWindowTest.java b/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/windowing/IntervalWindowTest.java
index aaface2..fdfbdcb 100644
--- a/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/windowing/IntervalWindowTest.java
+++ b/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/windowing/IntervalWindowTest.java
@@ -20,20 +20,17 @@ package org.apache.beam.sdk.transforms.windowing;
 import static org.hamcrest.Matchers.equalTo;
 import static org.junit.Assert.assertThat;
 
+import com.google.common.collect.Lists;
+import java.util.List;
 import org.apache.beam.sdk.coders.Coder;
 import org.apache.beam.sdk.coders.InstantCoder;
 import org.apache.beam.sdk.testing.CoderProperties;
 import org.apache.beam.sdk.util.CoderUtils;
-
-import com.google.common.collect.Lists;
-
 import org.joda.time.Instant;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.junit.runners.JUnit4;
 
-import java.util.List;
-
 /**
  * Tests for {@link Window}.
  */

http://git-wip-us.apache.org/repos/asf/incubator-beam/blob/c623a271/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/windowing/NeverTest.java
----------------------------------------------------------------------
diff --git a/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/windowing/NeverTest.java b/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/windowing/NeverTest.java
index ed64f84..fb2b4d5 100644
--- a/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/windowing/NeverTest.java
+++ b/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/windowing/NeverTest.java
@@ -23,7 +23,6 @@ import static org.junit.Assert.assertThat;
 import org.apache.beam.sdk.util.TriggerTester;
 import org.apache.beam.sdk.util.TriggerTester.SimpleTriggerTester;
 import org.apache.beam.sdk.values.TimestampedValue;
-
 import org.joda.time.Duration;
 import org.joda.time.Instant;
 import org.junit.Before;

http://git-wip-us.apache.org/repos/asf/incubator-beam/blob/c623a271/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/windowing/OrFinallyTriggerTest.java
----------------------------------------------------------------------
diff --git a/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/windowing/OrFinallyTriggerTest.java b/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/windowing/OrFinallyTriggerTest.java
index 9397179..7289d97 100644
--- a/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/windowing/OrFinallyTriggerTest.java
+++ b/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/windowing/OrFinallyTriggerTest.java
@@ -24,7 +24,6 @@ import static org.junit.Assert.assertTrue;
 import org.apache.beam.sdk.transforms.windowing.Trigger.OnceTrigger;
 import org.apache.beam.sdk.util.TriggerTester;
 import org.apache.beam.sdk.util.TriggerTester.SimpleTriggerTester;
-
 import org.joda.time.Duration;
 import org.joda.time.Instant;
 import org.junit.Test;

http://git-wip-us.apache.org/repos/asf/incubator-beam/blob/c623a271/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/windowing/PaneInfoTest.java
----------------------------------------------------------------------
diff --git a/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/windowing/PaneInfoTest.java b/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/windowing/PaneInfoTest.java
index ea4928e..1ce2d8c 100644
--- a/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/windowing/PaneInfoTest.java
+++ b/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/windowing/PaneInfoTest.java
@@ -23,7 +23,6 @@ import static org.junit.Assert.assertSame;
 import org.apache.beam.sdk.coders.Coder;
 import org.apache.beam.sdk.testing.CoderProperties;
 import org.apache.beam.sdk.transforms.windowing.PaneInfo.Timing;
-
 import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.junit.runners.JUnit4;

http://git-wip-us.apache.org/repos/asf/incubator-beam/blob/c623a271/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/windowing/RepeatedlyTest.java
----------------------------------------------------------------------
diff --git a/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/windowing/RepeatedlyTest.java b/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/windowing/RepeatedlyTest.java
index 3a33182..6e8930d 100644
--- a/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/windowing/RepeatedlyTest.java
+++ b/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/windowing/RepeatedlyTest.java
@@ -27,7 +27,6 @@ import static org.mockito.Mockito.when;
 
 import org.apache.beam.sdk.util.TriggerTester;
 import org.apache.beam.sdk.util.TriggerTester.SimpleTriggerTester;
-
 import org.joda.time.Duration;
 import org.joda.time.Instant;
 import org.junit.Test;

http://git-wip-us.apache.org/repos/asf/incubator-beam/blob/c623a271/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/windowing/SessionsTest.java
----------------------------------------------------------------------
diff --git a/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/windowing/SessionsTest.java b/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/windowing/SessionsTest.java
index a543359..b131688 100644
--- a/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/windowing/SessionsTest.java
+++ b/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/windowing/SessionsTest.java
@@ -20,30 +20,26 @@ package org.apache.beam.sdk.transforms.windowing;
 import static org.apache.beam.sdk.testing.WindowFnTestUtils.runWindowFn;
 import static org.apache.beam.sdk.testing.WindowFnTestUtils.set;
 import static org.apache.beam.sdk.transforms.display.DisplayDataMatchers.hasDisplayItem;
-
 import static org.hamcrest.Matchers.allOf;
 import static org.hamcrest.Matchers.containsString;
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertThat;
 import static org.junit.Assert.assertTrue;
 
+import com.google.common.collect.ImmutableList;
+import java.util.Arrays;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
 import org.apache.beam.sdk.testing.WindowFnTestUtils;
 import org.apache.beam.sdk.transforms.display.DisplayData;
-
-import com.google.common.collect.ImmutableList;
-
 import org.joda.time.Duration;
 import org.joda.time.Instant;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.junit.runners.JUnit4;
 
-import java.util.Arrays;
-import java.util.HashMap;
-import java.util.List;
-import java.util.Map;
-import java.util.Set;
-
 /**
  * Tests for Sessions WindowFn.
  */

http://git-wip-us.apache.org/repos/asf/incubator-beam/blob/c623a271/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/windowing/SlidingWindowsTest.java
----------------------------------------------------------------------
diff --git a/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/windowing/SlidingWindowsTest.java b/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/windowing/SlidingWindowsTest.java
index 047a413..54c01a8 100644
--- a/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/windowing/SlidingWindowsTest.java
+++ b/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/windowing/SlidingWindowsTest.java
@@ -20,26 +20,23 @@ package org.apache.beam.sdk.transforms.windowing;
 import static org.apache.beam.sdk.testing.WindowFnTestUtils.runWindowFn;
 import static org.apache.beam.sdk.testing.WindowFnTestUtils.set;
 import static org.apache.beam.sdk.transforms.display.DisplayDataMatchers.hasDisplayItem;
-
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.assertThat;
 import static org.junit.Assert.assertTrue;
 
+import java.util.Arrays;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.Set;
 import org.apache.beam.sdk.testing.WindowFnTestUtils;
 import org.apache.beam.sdk.transforms.display.DisplayData;
-
 import org.joda.time.Duration;
 import org.joda.time.Instant;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.junit.runners.JUnit4;
 
-import java.util.Arrays;
-import java.util.HashMap;
-import java.util.Map;
-import java.util.Set;
-
 /**
  * Tests for the SlidingWindows WindowFn.
  */

http://git-wip-us.apache.org/repos/asf/incubator-beam/blob/c623a271/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/windowing/StubTrigger.java
----------------------------------------------------------------------
diff --git a/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/windowing/StubTrigger.java b/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/windowing/StubTrigger.java
index 06218cf..b258a79 100644
--- a/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/windowing/StubTrigger.java
+++ b/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/windowing/StubTrigger.java
@@ -18,10 +18,8 @@
 package org.apache.beam.sdk.transforms.windowing;
 
 import com.google.common.collect.Lists;
-
-import org.joda.time.Instant;
-
 import java.util.List;
+import org.joda.time.Instant;
 
 /**
  * No-op {@link OnceTrigger} implementation for testing.

http://git-wip-us.apache.org/repos/asf/incubator-beam/blob/c623a271/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/windowing/TriggerTest.java
----------------------------------------------------------------------
diff --git a/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/windowing/TriggerTest.java b/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/windowing/TriggerTest.java
index 43c8bd8..cfc03b2 100644
--- a/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/windowing/TriggerTest.java
+++ b/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/windowing/TriggerTest.java
@@ -21,14 +21,13 @@ import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.assertTrue;
 
+import java.util.Arrays;
+import java.util.List;
 import org.joda.time.Instant;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.junit.runners.JUnit4;
 
-import java.util.Arrays;
-import java.util.List;
-
 /**
  * Tests for {@link Trigger}.
  */

http://git-wip-us.apache.org/repos/asf/incubator-beam/blob/c623a271/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/windowing/WindowTest.java
----------------------------------------------------------------------
diff --git a/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/windowing/WindowTest.java b/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/windowing/WindowTest.java
index c583860..9744fc6 100644
--- a/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/windowing/WindowTest.java
+++ b/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/windowing/WindowTest.java
@@ -20,7 +20,6 @@ package org.apache.beam.sdk.transforms.windowing;
 import static org.apache.beam.sdk.transforms.display.DisplayDataMatchers.hasDisplayItem;
 import static org.apache.beam.sdk.transforms.display.DisplayDataMatchers.hasKey;
 import static org.apache.beam.sdk.transforms.display.DisplayDataMatchers.includesDisplayDataFrom;
-
 import static org.hamcrest.Matchers.equalTo;
 import static org.hamcrest.Matchers.isOneOf;
 import static org.hamcrest.Matchers.not;
@@ -29,6 +28,7 @@ import static org.junit.Assert.assertThat;
 import static org.junit.Assert.assertTrue;
 import static org.mockito.Mockito.when;
 
+import java.io.Serializable;
 import org.apache.beam.sdk.Pipeline;
 import org.apache.beam.sdk.coders.Coder;
 import org.apache.beam.sdk.coders.Coder.NonDeterministicException;
@@ -44,7 +44,6 @@ import org.apache.beam.sdk.util.WindowingStrategy;
 import org.apache.beam.sdk.util.WindowingStrategy.AccumulationMode;
 import org.apache.beam.sdk.values.KV;
 import org.apache.beam.sdk.values.TimestampedValue;
-
 import org.hamcrest.Matchers;
 import org.joda.time.Duration;
 import org.joda.time.Instant;
@@ -56,8 +55,6 @@ import org.junit.runner.RunWith;
 import org.junit.runners.JUnit4;
 import org.mockito.Mockito;
 
-import java.io.Serializable;
-
 /**
  * Tests for {@link Window}.
  */

http://git-wip-us.apache.org/repos/asf/incubator-beam/blob/c623a271/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/windowing/WindowingTest.java
----------------------------------------------------------------------
diff --git a/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/windowing/WindowingTest.java b/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/windowing/WindowingTest.java
index 159e700..ab208dd 100644
--- a/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/windowing/WindowingTest.java
+++ b/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/windowing/WindowingTest.java
@@ -17,6 +17,10 @@
  */
 package org.apache.beam.sdk.transforms.windowing;
 
+import java.io.File;
+import java.io.FileOutputStream;
+import java.io.PrintStream;
+import java.io.Serializable;
 import org.apache.beam.sdk.Pipeline;
 import org.apache.beam.sdk.coders.StringUtf8Coder;
 import org.apache.beam.sdk.io.TextIO;
@@ -34,7 +38,6 @@ import org.apache.beam.sdk.values.KV;
 import org.apache.beam.sdk.values.PCollection;
 import org.apache.beam.sdk.values.PCollectionList;
 import org.apache.beam.sdk.values.TimestampedValue;
-
 import org.joda.time.Duration;
 import org.joda.time.Instant;
 import org.junit.Rule;
@@ -44,11 +47,6 @@ import org.junit.rules.TemporaryFolder;
 import org.junit.runner.RunWith;
 import org.junit.runners.JUnit4;
 
-import java.io.File;
-import java.io.FileOutputStream;
-import java.io.PrintStream;
-import java.io.Serializable;
-
 /** Unit tests for bucketing. */
 @RunWith(JUnit4.class)
 public class WindowingTest implements Serializable {

http://git-wip-us.apache.org/repos/asf/incubator-beam/blob/c623a271/sdks/java/core/src/test/java/org/apache/beam/sdk/util/ApiSurfaceTest.java
----------------------------------------------------------------------
diff --git a/sdks/java/core/src/test/java/org/apache/beam/sdk/util/ApiSurfaceTest.java b/sdks/java/core/src/test/java/org/apache/beam/sdk/util/ApiSurfaceTest.java
index b3f8743..4b76277 100644
--- a/sdks/java/core/src/test/java/org/apache/beam/sdk/util/ApiSurfaceTest.java
+++ b/sdks/java/core/src/test/java/org/apache/beam/sdk/util/ApiSurfaceTest.java
@@ -28,7 +28,10 @@ import com.google.common.collect.ImmutableSet;
 import com.google.common.collect.Lists;
 import com.google.common.collect.Maps;
 import com.google.common.collect.Sets;
-
+import java.util.Collections;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
 import org.hamcrest.Description;
 import org.hamcrest.Matcher;
 import org.hamcrest.TypeSafeDiagnosingMatcher;
@@ -36,11 +39,6 @@ import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.junit.runners.JUnit4;
 
-import java.util.Collections;
-import java.util.List;
-import java.util.Map;
-import java.util.Set;
-
 /**
  * Tests for ApiSurface. These both test the functionality and also that our
  * public API is conformant to a hard-coded policy.

http://git-wip-us.apache.org/repos/asf/incubator-beam/blob/c623a271/sdks/java/core/src/test/java/org/apache/beam/sdk/util/AttemptAndTimeBoundedExponentialBackOffTest.java
----------------------------------------------------------------------
diff --git a/sdks/java/core/src/test/java/org/apache/beam/sdk/util/AttemptAndTimeBoundedExponentialBackOffTest.java b/sdks/java/core/src/test/java/org/apache/beam/sdk/util/AttemptAndTimeBoundedExponentialBackOffTest.java
index 08f5f56..59e0fb7 100644
--- a/sdks/java/core/src/test/java/org/apache/beam/sdk/util/AttemptAndTimeBoundedExponentialBackOffTest.java
+++ b/sdks/java/core/src/test/java/org/apache/beam/sdk/util/AttemptAndTimeBoundedExponentialBackOffTest.java
@@ -25,10 +25,8 @@ import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.assertTrue;
 
-import org.apache.beam.sdk.testing.FastNanoClockAndSleeper;
-
 import com.google.api.client.util.BackOff;
-
+import org.apache.beam.sdk.testing.FastNanoClockAndSleeper;
 import org.junit.Rule;
 import org.junit.Test;
 import org.junit.rules.ExpectedException;

http://git-wip-us.apache.org/repos/asf/incubator-beam/blob/c623a271/sdks/java/core/src/test/java/org/apache/beam/sdk/util/AttemptBoundedExponentialBackOffTest.java
----------------------------------------------------------------------
diff --git a/sdks/java/core/src/test/java/org/apache/beam/sdk/util/AttemptBoundedExponentialBackOffTest.java b/sdks/java/core/src/test/java/org/apache/beam/sdk/util/AttemptBoundedExponentialBackOffTest.java
index b4a075c..3cfa961 100644
--- a/sdks/java/core/src/test/java/org/apache/beam/sdk/util/AttemptBoundedExponentialBackOffTest.java
+++ b/sdks/java/core/src/test/java/org/apache/beam/sdk/util/AttemptBoundedExponentialBackOffTest.java
@@ -26,7 +26,6 @@ import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.assertTrue;
 
 import com.google.api.client.util.BackOff;
-
 import org.junit.Rule;
 import org.junit.Test;
 import org.junit.rules.ExpectedException;

http://git-wip-us.apache.org/repos/asf/incubator-beam/blob/c623a271/sdks/java/core/src/test/java/org/apache/beam/sdk/util/AvroUtilsTest.java
----------------------------------------------------------------------
diff --git a/sdks/java/core/src/test/java/org/apache/beam/sdk/util/AvroUtilsTest.java b/sdks/java/core/src/test/java/org/apache/beam/sdk/util/AvroUtilsTest.java
index b72ab9a..d8c345c 100644
--- a/sdks/java/core/src/test/java/org/apache/beam/sdk/util/AvroUtilsTest.java
+++ b/sdks/java/core/src/test/java/org/apache/beam/sdk/util/AvroUtilsTest.java
@@ -19,29 +19,27 @@ package org.apache.beam.sdk.util;
 
 import static org.junit.Assert.assertEquals;
 
-import org.apache.beam.sdk.coders.AvroCoder;
-import org.apache.beam.sdk.coders.DefaultCoder;
-import org.apache.beam.sdk.util.AvroUtils.AvroMetadata;
-
+import java.io.File;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Random;
 import org.apache.avro.Schema;
 import org.apache.avro.file.CodecFactory;
 import org.apache.avro.file.DataFileConstants;
 import org.apache.avro.file.DataFileWriter;
 import org.apache.avro.io.DatumWriter;
 import org.apache.avro.reflect.Nullable;
+import org.apache.beam.sdk.coders.AvroCoder;
+import org.apache.beam.sdk.coders.DefaultCoder;
+import org.apache.beam.sdk.util.AvroUtils.AvroMetadata;
 import org.junit.Rule;
 import org.junit.Test;
 import org.junit.rules.TemporaryFolder;
 import org.junit.runner.RunWith;
 import org.junit.runners.JUnit4;
 
-import java.io.File;
-import java.io.FileOutputStream;
-import java.io.IOException;
-import java.util.ArrayList;
-import java.util.List;
-import java.util.Random;
-
 /**
  * Tests for AvroUtils.
  */

http://git-wip-us.apache.org/repos/asf/incubator-beam/blob/c623a271/sdks/java/core/src/test/java/org/apache/beam/sdk/util/BucketingFunctionTest.java
----------------------------------------------------------------------
diff --git a/sdks/java/core/src/test/java/org/apache/beam/sdk/util/BucketingFunctionTest.java b/sdks/java/core/src/test/java/org/apache/beam/sdk/util/BucketingFunctionTest.java
index ee5a2b3..196b904 100644
--- a/sdks/java/core/src/test/java/org/apache/beam/sdk/util/BucketingFunctionTest.java
+++ b/sdks/java/core/src/test/java/org/apache/beam/sdk/util/BucketingFunctionTest.java
@@ -23,7 +23,6 @@ import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.assertTrue;
 
 import org.apache.beam.sdk.transforms.Combine;
-
 import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.junit.runners.JUnit4;

http://git-wip-us.apache.org/repos/asf/incubator-beam/blob/c623a271/sdks/java/core/src/test/java/org/apache/beam/sdk/util/BufferedElementCountingOutputStreamTest.java
----------------------------------------------------------------------
diff --git a/sdks/java/core/src/test/java/org/apache/beam/sdk/util/BufferedElementCountingOutputStreamTest.java b/sdks/java/core/src/test/java/org/apache/beam/sdk/util/BufferedElementCountingOutputStreamTest.java
index 09d8992..36f7028 100644
--- a/sdks/java/core/src/test/java/org/apache/beam/sdk/util/BufferedElementCountingOutputStreamTest.java
+++ b/sdks/java/core/src/test/java/org/apache/beam/sdk/util/BufferedElementCountingOutputStreamTest.java
@@ -21,18 +21,7 @@ import static org.junit.Assert.assertArrayEquals;
 import static org.junit.Assert.assertThat;
 import static org.junit.Assert.assertTrue;
 
-import org.apache.beam.sdk.coders.ByteArrayCoder;
-import org.apache.beam.sdk.coders.Coder.Context;
-
 import com.google.common.collect.ImmutableList;
-
-import org.hamcrest.collection.IsIterableContainingInOrder;
-import org.junit.Rule;
-import org.junit.Test;
-import org.junit.rules.ExpectedException;
-import org.junit.runner.RunWith;
-import org.junit.runners.JUnit4;
-
 import java.io.ByteArrayInputStream;
 import java.io.ByteArrayOutputStream;
 import java.io.IOException;
@@ -42,6 +31,14 @@ import java.util.ArrayList;
 import java.util.Collections;
 import java.util.List;
 import java.util.Random;
+import org.apache.beam.sdk.coders.ByteArrayCoder;
+import org.apache.beam.sdk.coders.Coder.Context;
+import org.hamcrest.collection.IsIterableContainingInOrder;
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.rules.ExpectedException;
+import org.junit.runner.RunWith;
+import org.junit.runners.JUnit4;
 
 /**
  * Tests for {@link BufferedElementCountingOutputStream}.

http://git-wip-us.apache.org/repos/asf/incubator-beam/blob/c623a271/sdks/java/core/src/test/java/org/apache/beam/sdk/util/CoderUtilsTest.java
----------------------------------------------------------------------
diff --git a/sdks/java/core/src/test/java/org/apache/beam/sdk/util/CoderUtilsTest.java b/sdks/java/core/src/test/java/org/apache/beam/sdk/util/CoderUtilsTest.java
index 0733c4c..4bd2f19 100644
--- a/sdks/java/core/src/test/java/org/apache/beam/sdk/util/CoderUtilsTest.java
+++ b/sdks/java/core/src/test/java/org/apache/beam/sdk/util/CoderUtilsTest.java
@@ -18,12 +18,13 @@
 package org.apache.beam.sdk.util;
 
 import static org.apache.beam.sdk.util.CoderUtils.makeCloudEncoding;
-
 import static org.mockito.Matchers.any;
 import static org.mockito.Matchers.anyString;
 import static org.mockito.Mockito.doThrow;
 import static org.mockito.Mockito.mock;
 
+import java.io.InputStream;
+import java.io.OutputStream;
 import org.apache.beam.sdk.coders.AtomicCoder;
 import org.apache.beam.sdk.coders.BigEndianIntegerCoder;
 import org.apache.beam.sdk.coders.Coder;
@@ -34,7 +35,6 @@ import org.apache.beam.sdk.coders.KvCoder;
 import org.apache.beam.sdk.coders.StringUtf8Coder;
 import org.apache.beam.sdk.coders.VoidCoder;
 import org.apache.beam.sdk.testing.CoderPropertiesTest.ClosingCoder;
-
 import org.hamcrest.CoreMatchers;
 import org.junit.Assert;
 import org.junit.Rule;
@@ -43,9 +43,6 @@ import org.junit.rules.ExpectedException;
 import org.junit.runner.RunWith;
 import org.junit.runners.JUnit4;
 
-import java.io.InputStream;
-import java.io.OutputStream;
-
 /**
  * Tests for CoderUtils.
  */

http://git-wip-us.apache.org/repos/asf/incubator-beam/blob/c623a271/sdks/java/core/src/test/java/org/apache/beam/sdk/util/CombineFnUtilTest.java
----------------------------------------------------------------------
diff --git a/sdks/java/core/src/test/java/org/apache/beam/sdk/util/CombineFnUtilTest.java b/sdks/java/core/src/test/java/org/apache/beam/sdk/util/CombineFnUtilTest.java
index fdb69e4..fe81275 100644
--- a/sdks/java/core/src/test/java/org/apache/beam/sdk/util/CombineFnUtilTest.java
+++ b/sdks/java/core/src/test/java/org/apache/beam/sdk/util/CombineFnUtilTest.java
@@ -22,14 +22,16 @@ import static org.junit.Assert.assertTrue;
 import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.withSettings;
 
+import com.google.common.collect.ImmutableList;
+import java.io.ByteArrayOutputStream;
+import java.io.NotSerializableException;
+import java.io.ObjectOutputStream;
+import java.util.List;
 import org.apache.beam.sdk.transforms.CombineWithContext.CombineFnWithContext;
 import org.apache.beam.sdk.transforms.CombineWithContext.Context;
 import org.apache.beam.sdk.transforms.CombineWithContext.KeyedCombineFnWithContext;
 import org.apache.beam.sdk.transforms.Sum;
 import org.apache.beam.sdk.util.state.StateContexts;
-
-import com.google.common.collect.ImmutableList;
-
 import org.junit.Before;
 import org.junit.Rule;
 import org.junit.Test;
@@ -37,11 +39,6 @@ import org.junit.rules.ExpectedException;
 import org.junit.runner.RunWith;
 import org.junit.runners.JUnit4;
 
-import java.io.ByteArrayOutputStream;
-import java.io.NotSerializableException;
-import java.io.ObjectOutputStream;
-import java.util.List;
-
 /**
  * Unit tests for {@link CombineFnUtil}.
  */

http://git-wip-us.apache.org/repos/asf/incubator-beam/blob/c623a271/sdks/java/core/src/test/java/org/apache/beam/sdk/util/ExecutableTriggerTest.java
----------------------------------------------------------------------
diff --git a/sdks/java/core/src/test/java/org/apache/beam/sdk/util/ExecutableTriggerTest.java b/sdks/java/core/src/test/java/org/apache/beam/sdk/util/ExecutableTriggerTest.java
index fdcd1bd..1e3a1ff 100644
--- a/sdks/java/core/src/test/java/org/apache/beam/sdk/util/ExecutableTriggerTest.java
+++ b/sdks/java/core/src/test/java/org/apache/beam/sdk/util/ExecutableTriggerTest.java
@@ -20,17 +20,15 @@ package org.apache.beam.sdk.util;
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertSame;
 
+import java.util.Arrays;
+import java.util.List;
 import org.apache.beam.sdk.transforms.windowing.BoundedWindow;
 import org.apache.beam.sdk.transforms.windowing.Trigger;
-
 import org.joda.time.Instant;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.junit.runners.JUnit4;
 
-import java.util.Arrays;
-import java.util.List;
-
 /**
  * Tests for {@link ExecutableTrigger}.
  */