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Posted to commits@commons.apache.org by gg...@apache.org on 2018/01/03 02:52:03 UTC

[2/3] commons-collections git commit: Use final.

http://git-wip-us.apache.org/repos/asf/commons-collections/blob/059c468f/src/test/java/org/apache/commons/collections4/CollectionUtilsTest.java
----------------------------------------------------------------------
diff --git a/src/test/java/org/apache/commons/collections4/CollectionUtilsTest.java b/src/test/java/org/apache/commons/collections4/CollectionUtilsTest.java
index 27fbd26..02c1fef 100644
--- a/src/test/java/org/apache/commons/collections4/CollectionUtilsTest.java
+++ b/src/test/java/org/apache/commons/collections4/CollectionUtilsTest.java
@@ -731,21 +731,21 @@ public class CollectionUtilsTest extends MockTestCase {
         lastElement = CollectionUtils.forAllButLastDo(col, testClosure);
         assertNull(lastElement);
 
-        Collection<String> strings = Arrays.asList("a", "b", "c");
+        final Collection<String> strings = Arrays.asList("a", "b", "c");
         final StringBuffer result = new StringBuffer();
         result.append(CollectionUtils.forAllButLastDo(strings, new Closure<String>() {
             @Override
-            public void execute(String input) {
+            public void execute(final String input) {
                 result.append(input+";");
             }
         }));
         assertEquals("a;b;c", result.toString());
 
-        Collection<String> oneString = Arrays.asList("a");
+        final Collection<String> oneString = Arrays.asList("a");
         final StringBuffer resultOne = new StringBuffer();
         resultOne.append(CollectionUtils.forAllButLastDo(oneString, new Closure<String>() {
             @Override
-            public void execute(String input) {
+            public void execute(final String input) {
                 resultOne.append(input+";");
             }
         }));
@@ -761,7 +761,7 @@ public class CollectionUtilsTest extends MockTestCase {
         final Collection<List<? extends Number>> col = new ArrayList<>();
         col.add(collectionA);
         col.add(collectionB);
-        List<? extends Number> lastElement = CollectionUtils.forAllButLastDo(col.iterator(), testClosure);
+        final List<? extends Number> lastElement = CollectionUtils.forAllButLastDo(col.iterator(), testClosure);
         assertSame(lastElement, collectionB);
         assertTrue(collectionA.isEmpty() && !collectionB.isEmpty());
 
@@ -1211,14 +1211,14 @@ public class CollectionUtilsTest extends MockTestCase {
 
     @Test
     public void selectWithOutputCollections() {
-        List<Integer> input = new ArrayList<>();
+        final List<Integer> input = new ArrayList<>();
         input.add(1);
         input.add(2);
         input.add(3);
         input.add(4);
 
-        List<Integer> output = new ArrayList<>();
-        List<Integer> rejected = new ArrayList<>();
+        final List<Integer> output = new ArrayList<>();
+        final List<Integer> rejected = new ArrayList<>();
 
         CollectionUtils.select(input, EQUALS_TWO, output, rejected);
 
@@ -1227,7 +1227,7 @@ public class CollectionUtilsTest extends MockTestCase {
         assertEquals(2, CollectionUtils.extractSingleton(output).intValue());
 
         // rejected contains 1, 3, and 4
-        Integer[] expected = {1, 3, 4};
+        final Integer[] expected = {1, 3, 4};
         Assert.assertArrayEquals(expected, rejected.toArray());
 
         output.clear();
@@ -1363,7 +1363,7 @@ public class CollectionUtilsTest extends MockTestCase {
     @Test
     public void predicatedCollection() {
         final Predicate<Object> predicate = PredicateUtils.instanceofPredicate(Integer.class);
-        Collection<Number> collection = CollectionUtils.predicatedCollection(new ArrayList<Number>(), predicate);
+        final Collection<Number> collection = CollectionUtils.predicatedCollection(new ArrayList<Number>(), predicate);
         assertTrue("returned object should be a PredicatedCollection", collection instanceof PredicatedCollection);
         try {
             CollectionUtils.predicatedCollection(new ArrayList<Number>(), null);
@@ -1538,7 +1538,7 @@ public class CollectionUtilsTest extends MockTestCase {
     @Test
     public void testTransformedCollection() {
         final Transformer<Object, Object> transformer = TransformerUtils.nopTransformer();
-        Collection<Object> collection = CollectionUtils.transformingCollection(new ArrayList<>(), transformer);
+        final Collection<Object> collection = CollectionUtils.transformingCollection(new ArrayList<>(), transformer);
         assertTrue("returned object should be a TransformedCollection", collection instanceof TransformedCollection);
         try {
             CollectionUtils.transformingCollection(new ArrayList<>(), null);
@@ -1569,7 +1569,7 @@ public class CollectionUtilsTest extends MockTestCase {
     @Test
     @Deprecated
     public void testSynchronizedCollection() {
-        Collection<Object> col = CollectionUtils.synchronizedCollection(new ArrayList<>());
+        final Collection<Object> col = CollectionUtils.synchronizedCollection(new ArrayList<>());
         assertTrue("Returned object should be a SynchronizedCollection.", col instanceof SynchronizedCollection);
         try {
             CollectionUtils.synchronizedCollection(null);
@@ -1582,7 +1582,7 @@ public class CollectionUtilsTest extends MockTestCase {
     @Test
     @Deprecated
     public void testUnmodifiableCollection() {
-        Collection<Object> col = CollectionUtils.unmodifiableCollection(new ArrayList<>());
+        final Collection<Object> col = CollectionUtils.unmodifiableCollection(new ArrayList<>());
         assertTrue("Returned object should be a UnmodifiableCollection.", col instanceof UnmodifiableCollection);
         try {
             CollectionUtils.unmodifiableCollection(null);
@@ -1768,7 +1768,7 @@ public class CollectionUtilsTest extends MockTestCase {
         List<Integer> result2 = CollectionUtils.collate(collectionE, collectionD);
         assertEquals("Merge two lists 1", result1, result2);
 
-        List<Integer> combinedList = new ArrayList<>();
+        final List<Integer> combinedList = new ArrayList<>();
         combinedList.addAll(collectionD);
         combinedList.addAll(collectionE);
         Collections.sort(combinedList);
@@ -1793,14 +1793,14 @@ public class CollectionUtilsTest extends MockTestCase {
 
     @Test
     public void testCollateIgnoreDuplicates() {
-        List<Integer> result1 = CollectionUtils.collate(collectionD, collectionE, false);
-        List<Integer> result2 = CollectionUtils.collate(collectionE, collectionD, false);
+        final List<Integer> result1 = CollectionUtils.collate(collectionD, collectionE, false);
+        final List<Integer> result2 = CollectionUtils.collate(collectionE, collectionD, false);
         assertEquals("Merge two lists 1 - ignore duplicates", result1, result2);
 
-        Set<Integer> combinedSet = new HashSet<>();
+        final Set<Integer> combinedSet = new HashSet<>();
         combinedSet.addAll(collectionD);
         combinedSet.addAll(collectionE);
-        List<Integer> combinedList = new ArrayList<>(combinedSet);
+        final List<Integer> combinedList = new ArrayList<>(combinedSet);
         Collections.sort(combinedList);
 
         assertEquals("Merge two lists 2 - ignore duplicates", combinedList, result2);
@@ -1813,11 +1813,11 @@ public class CollectionUtilsTest extends MockTestCase {
 
     @Test
     public void testPermutations() {
-        List<Integer> sample = collectionA.subList(0, 5);
-        Collection<List<Integer>> permutations = CollectionUtils.permutations(sample);
+        final List<Integer> sample = collectionA.subList(0, 5);
+        final Collection<List<Integer>> permutations = CollectionUtils.permutations(sample);
 
         // result size = n!
-        int collSize = sample.size();
+        final int collSize = sample.size();
         int factorial = 1;
         for (int i = 1; i <= collSize; i++) {
             factorial *= i;
@@ -1831,17 +1831,17 @@ public class CollectionUtilsTest extends MockTestCase {
         assertFalse(CollectionUtils.matchesAll(null, null));
         assertFalse(CollectionUtils.matchesAll(collectionA, null));
 
-        Predicate<Integer> lessThanFive = new Predicate<Integer>() {
+        final Predicate<Integer> lessThanFive = new Predicate<Integer>() {
             @Override
-            public boolean evaluate(Integer object) {
+            public boolean evaluate(final Integer object) {
                 return object < 5;
             }
         };
         assertTrue(CollectionUtils.matchesAll(collectionA, lessThanFive));
 
-        Predicate<Integer> lessThanFour = new Predicate<Integer>() {
+        final Predicate<Integer> lessThanFour = new Predicate<Integer>() {
             @Override
-            public boolean evaluate(Integer object) {
+            public boolean evaluate(final Integer object) {
                 return object < 4;
             }
         };
@@ -1867,12 +1867,12 @@ public class CollectionUtilsTest extends MockTestCase {
         final Collection<String> result = CollectionUtils.removeAll(base, remove, new Equator<String>() {
 
             @Override
-            public boolean equate(String o1, String o2) {
+            public boolean equate(final String o1, final String o2) {
                 return o1.charAt(1) == o2.charAt(1);
             }
 
             @Override
-            public int hash(String o) {
+            public int hash(final String o) {
                 return o.charAt(1);
             }
         });
@@ -1919,12 +1919,12 @@ public class CollectionUtilsTest extends MockTestCase {
         final Collection<String> result = CollectionUtils.retainAll(base, retain, new Equator<String>() {
 
             @Override
-            public boolean equate(String o1, String o2) {
+            public boolean equate(final String o1, final String o2) {
                 return o1.charAt(1) == o2.charAt(1);
             }
 
             @Override
-            public int hash(String o) {
+            public int hash(final String o) {
                 return o.charAt(1);
             }
         });

http://git-wip-us.apache.org/repos/asf/commons-collections/blob/059c468f/src/test/java/org/apache/commons/collections4/ComparatorUtilsTest.java
----------------------------------------------------------------------
diff --git a/src/test/java/org/apache/commons/collections4/ComparatorUtilsTest.java b/src/test/java/org/apache/commons/collections4/ComparatorUtilsTest.java
index e8fabd4..040974a 100644
--- a/src/test/java/org/apache/commons/collections4/ComparatorUtilsTest.java
+++ b/src/test/java/org/apache/commons/collections4/ComparatorUtilsTest.java
@@ -46,7 +46,7 @@ public class ComparatorUtilsTest {
     @Test
     public void chainedComparator() {
         // simple test: chain 2 natural comparators
-        Comparator<Integer> comp = ComparatorUtils.chainedComparator(ComparatorUtils.<Integer>naturalComparator(),
+        final Comparator<Integer> comp = ComparatorUtils.chainedComparator(ComparatorUtils.<Integer>naturalComparator(),
                                                                      ComparatorUtils.<Integer>naturalComparator());
         assertTrue(comp.compare(1, 2) < 0);
         assertTrue(comp.compare(1, 1) == 0);
@@ -55,7 +55,7 @@ public class ComparatorUtilsTest {
 
     @Test
     public void max() {
-        Comparator<Integer> reversed =
+        final Comparator<Integer> reversed =
                 ComparatorUtils.reversedComparator(ComparatorUtils.<Integer>naturalComparator());
 
         assertEquals(Integer.valueOf(10), ComparatorUtils.max(1, 10, null));
@@ -67,21 +67,21 @@ public class ComparatorUtilsTest {
         try {
             ComparatorUtils.max(1, null, null);
             fail("expecting NullPointerException");
-        } catch (NullPointerException npe) {
+        } catch (final NullPointerException npe) {
             // expected
         }
 
         try {
             ComparatorUtils.max(null, 10, null);
             fail("expecting NullPointerException");
-        } catch (NullPointerException npe) {
+        } catch (final NullPointerException npe) {
             // expected
         }
     }
 
     @Test
     public void min() {
-        Comparator<Integer> reversed =
+        final Comparator<Integer> reversed =
                 ComparatorUtils.reversedComparator(ComparatorUtils.<Integer>naturalComparator());
 
         assertEquals(Integer.valueOf(1), ComparatorUtils.min(1, 10, null));
@@ -93,21 +93,21 @@ public class ComparatorUtilsTest {
         try {
             ComparatorUtils.min(1, null, null);
             fail("expecting NullPointerException");
-        } catch (NullPointerException npe) {
+        } catch (final NullPointerException npe) {
             // expected
         }
 
         try {
             ComparatorUtils.min(null, 10, null);
             fail("expecting NullPointerException");
-        } catch (NullPointerException npe) {
+        } catch (final NullPointerException npe) {
             // expected
         }
     }
 
     @Test
     public void nullLowComparator() {
-        Comparator<Integer> comp = ComparatorUtils.nullLowComparator(null);
+        final Comparator<Integer> comp = ComparatorUtils.nullLowComparator(null);
         assertTrue(comp.compare(null, 10) < 0);
         assertTrue(comp.compare(null, null) == 0);
         assertTrue(comp.compare(10, null) > 0);
@@ -115,7 +115,7 @@ public class ComparatorUtilsTest {
 
     @Test
     public void nullHighComparator() {
-        Comparator<Integer> comp = ComparatorUtils.nullHighComparator(null);
+        final Comparator<Integer> comp = ComparatorUtils.nullHighComparator(null);
         assertTrue(comp.compare(null, 10) > 0);
         assertTrue(comp.compare(null, null) == 0);
         assertTrue(comp.compare(10, null) < 0);

http://git-wip-us.apache.org/repos/asf/commons-collections/blob/059c468f/src/test/java/org/apache/commons/collections4/FactoryUtilsTest.java
----------------------------------------------------------------------
diff --git a/src/test/java/org/apache/commons/collections4/FactoryUtilsTest.java b/src/test/java/org/apache/commons/collections4/FactoryUtilsTest.java
index 697caac..5dcfcea 100644
--- a/src/test/java/org/apache/commons/collections4/FactoryUtilsTest.java
+++ b/src/test/java/org/apache/commons/collections4/FactoryUtilsTest.java
@@ -110,7 +110,7 @@ public class FactoryUtilsTest {
     @Test
     public void testPrototypeFactoryPublicCopyConstructor() throws Exception {
         final Mock1 proto = new Mock1(6);
-        Factory<Object> factory = FactoryUtils.<Object>prototypeFactory(proto);
+        final Factory<Object> factory = FactoryUtils.<Object>prototypeFactory(proto);
         assertNotNull(factory);
         final Object created = factory.create();
         assertTrue(proto != created);

http://git-wip-us.apache.org/repos/asf/commons-collections/blob/059c468f/src/test/java/org/apache/commons/collections4/FluentIterableTest.java
----------------------------------------------------------------------
diff --git a/src/test/java/org/apache/commons/collections4/FluentIterableTest.java b/src/test/java/org/apache/commons/collections4/FluentIterableTest.java
index 02b39eb..aca8d70 100644
--- a/src/test/java/org/apache/commons/collections4/FluentIterableTest.java
+++ b/src/test/java/org/apache/commons/collections4/FluentIterableTest.java
@@ -71,7 +71,7 @@ public class FluentIterableTest {
 
     @Before
     public void setUp() {
-        Collection<Integer> collectionA = new ArrayList<>();
+        final Collection<Integer> collectionA = new ArrayList<>();
         collectionA.add(1);
         collectionA.add(2);
         collectionA.add(2);
@@ -84,7 +84,7 @@ public class FluentIterableTest {
         collectionA.add(4);
         iterableA = collectionA;
 
-        Collection<Long> collectionB = new LinkedList<>();
+        final Collection<Long> collectionB = new LinkedList<>();
         collectionB.add(5L);
         collectionB.add(4L);
         collectionB.add(4L);
@@ -129,14 +129,14 @@ public class FluentIterableTest {
         try {
             FluentIterable.of(it).toList();
             fail("expecting NullPointerException");
-        } catch (NullPointerException npe) {
+        } catch (final NullPointerException npe) {
             // expected
         }
     }
 
     @Test
     public void appendElements() {
-        FluentIterable<Integer> it = FluentIterable.of(iterableA).append(10, 20, 30);
+        final FluentIterable<Integer> it = FluentIterable.of(iterableA).append(10, 20, 30);
         assertEquals(IterableUtils.size(iterableA) + 3, IterableUtils.size(it));
         assertTrue(IterableUtils.contains(it, 1));
         assertTrue(IterableUtils.contains(it, 10));
@@ -144,14 +144,14 @@ public class FluentIterableTest {
         assertTrue(IterableUtils.contains(it, 30));
         assertFalse(IterableUtils.contains(it, 40));
 
-        FluentIterable<Integer> empty = FluentIterable.of(emptyIterable).append();
+        final FluentIterable<Integer> empty = FluentIterable.of(emptyIterable).append();
         assertTrue(IterableUtils.isEmpty(empty));
     }
 
     @Test
     public void appendIterable() {
-        List<Integer> listB = Arrays.asList(10, 20, 30);
-        FluentIterable<Integer> it = FluentIterable.of(iterableA).append(listB);
+        final List<Integer> listB = Arrays.asList(10, 20, 30);
+        final FluentIterable<Integer> it = FluentIterable.of(iterableA).append(listB);
         assertEquals(IterableUtils.size(iterableA) + listB.size(), IterableUtils.size(it));
         assertTrue(IterableUtils.contains(it, 1));
         assertTrue(IterableUtils.contains(it, 10));
@@ -162,8 +162,8 @@ public class FluentIterableTest {
 
     @Test
     public void collate() {
-        List<Integer> result = FluentIterable.of(iterableOdd).collate(iterableEven).toList();
-        List<Integer> combinedList = new ArrayList<>();
+        final List<Integer> result = FluentIterable.of(iterableOdd).collate(iterableEven).toList();
+        final List<Integer> combinedList = new ArrayList<>();
         CollectionUtils.addAll(combinedList, iterableOdd);
         CollectionUtils.addAll(combinedList, iterableEven);
         Collections.sort(combinedList);
@@ -172,7 +172,7 @@ public class FluentIterableTest {
         try {
             FluentIterable.of(iterableOdd).collate(null).toList();
             fail("expecting NullPointerException");
-        } catch (NullPointerException npe) {
+        } catch (final NullPointerException npe) {
             // expected
         }
     }
@@ -185,7 +185,7 @@ public class FluentIterableTest {
                     .collate(iterableEven, ComparatorUtils.<Integer>naturalComparator())
                     .toList();
 
-        List<Integer> combinedList = new ArrayList<>();
+        final List<Integer> combinedList = new ArrayList<>();
         CollectionUtils.addAll(combinedList, iterableOdd);
         CollectionUtils.addAll(combinedList, iterableEven);
         Collections.sort(combinedList);
@@ -198,9 +198,9 @@ public class FluentIterableTest {
 
     @Test
     public void filter() {
-        Predicate<Integer> smallerThan3 = new Predicate<Integer>() {
+        final Predicate<Integer> smallerThan3 = new Predicate<Integer>() {
             @Override
-            public boolean evaluate(Integer object) {
+            public boolean evaluate(final Integer object) {
                 return object.intValue() < 3;
             }
         };
@@ -215,7 +215,7 @@ public class FluentIterableTest {
         try {
             FluentIterable.of(iterableA).filter(null).toList();
             fail("expecting NullPointerException");
-        } catch (NullPointerException npe) {
+        } catch (final NullPointerException npe) {
             // expected
         }
     }
@@ -223,16 +223,16 @@ public class FluentIterableTest {
     @Test
     public void forEach() {
         final AtomicInteger sum = new AtomicInteger(0);
-        Closure<Integer> closure = new Closure<Integer>() {
+        final Closure<Integer> closure = new Closure<Integer>() {
             @Override
-            public void execute(Integer input) {
+            public void execute(final Integer input) {
                 sum.addAndGet(input);
             }
         };
 
         FluentIterable.of(iterableA).forEach(closure);
         int expectedSum = 0;
-        for (Integer i : iterableA) {
+        for (final Integer i : iterableA) {
             expectedSum += i;
         }
         assertEquals(expectedSum, sum.get());
@@ -240,7 +240,7 @@ public class FluentIterableTest {
         try {
             FluentIterable.of(iterableA).forEach((Closure<Integer>) null);
             fail("expecting NullPointerException");
-        } catch (NullPointerException npe) {
+        } catch (final NullPointerException npe) {
             // expected
         }
     }
@@ -253,7 +253,7 @@ public class FluentIterableTest {
 
         // limit larger than input
         result = FluentIterable.of(iterableA).limit(100).toList();
-        List<Integer> expected = IterableUtils.toList(iterableA);
+        final List<Integer> expected = IterableUtils.toList(iterableA);
         assertEquals(expected.size(), result.size());
         assertEquals(expected, result);
 
@@ -268,7 +268,7 @@ public class FluentIterableTest {
         try {
             FluentIterable.of(iterableA).limit(-2).toList();
             fail("expecting IllegalArgumentException");
-        } catch (IllegalArgumentException iae) {
+        } catch (final IllegalArgumentException iae) {
             // expected
         }
     }
@@ -276,7 +276,7 @@ public class FluentIterableTest {
     @Test
     public void reverse() {
         List<Integer> result = FluentIterable.of(iterableA).reverse().toList();
-        List<Integer> expected = IterableUtils.toList(iterableA);
+        final List<Integer> expected = IterableUtils.toList(iterableA);
         Collections.reverse(expected);
         assertEquals(expected, result);
 
@@ -297,7 +297,7 @@ public class FluentIterableTest {
 
         // skip 0 elements
         result = FluentIterable.of(iterableA).skip(0).toList();
-        List<Integer> expected = IterableUtils.toList(iterableA);
+        final List<Integer> expected = IterableUtils.toList(iterableA);
         assertEquals(expected.size(), result.size());
         assertEquals(expected, result);
 
@@ -308,16 +308,16 @@ public class FluentIterableTest {
         try {
             FluentIterable.of(iterableA).skip(-4).toList();
             fail("expecting IllegalArgumentException");
-        } catch (IllegalArgumentException iae) {
+        } catch (final IllegalArgumentException iae) {
             // expected
         }
     }
 
     @Test
     public void transform() {
-        Transformer<Integer, Integer> squared = new Transformer<Integer, Integer>() {
+        final Transformer<Integer, Integer> squared = new Transformer<Integer, Integer>() {
             @Override
-            public Integer transform(Integer object) {
+            public Integer transform(final Integer object) {
                 return object * object;
             }
         };
@@ -332,7 +332,7 @@ public class FluentIterableTest {
         try {
             FluentIterable.of(iterableA).transform(null).toList();
             fail("expecting NullPointerException");
-        } catch (NullPointerException npe) {
+        } catch (final NullPointerException npe) {
             // expected
         }
     }
@@ -350,18 +350,18 @@ public class FluentIterableTest {
 
     @Test
     public void unmodifiable() {
-        FluentIterable<Integer> iterable1 = FluentIterable.of(iterableA).unmodifiable();
-        Iterator<Integer> it = iterable1.iterator();
+        final FluentIterable<Integer> iterable1 = FluentIterable.of(iterableA).unmodifiable();
+        final Iterator<Integer> it = iterable1.iterator();
         assertEquals(1, it.next().intValue());
         try {
             it.remove();
             fail("expecting UnsupportedOperationException");
-        } catch (UnsupportedOperationException ise) {
+        } catch (final UnsupportedOperationException ise) {
             // expected
         }
 
         // calling unmodifiable on an already unmodifiable iterable shall return the same instance
-        FluentIterable<Integer> iterable2 = iterable1.unmodifiable();
+        final FluentIterable<Integer> iterable2 = iterable1.unmodifiable();
         assertSame(iterable1, iterable2);
     }
 
@@ -378,7 +378,7 @@ public class FluentIterableTest {
         try {
             FluentIterable.of(iterableOdd).zip((Iterable<Integer>) null).toList();
             fail("expecting NullPointerException");
-        } catch (NullPointerException npe) {
+        } catch (final NullPointerException npe) {
             // expected
         }
 
@@ -393,7 +393,7 @@ public class FluentIterableTest {
     @Test
     public void asEnumeration() {
         Enumeration<Long> enumeration = FluentIterable.of(iterableB).asEnumeration();
-        List<Long> result = EnumerationUtils.toList(enumeration);
+        final List<Long> result = EnumerationUtils.toList(enumeration);
         assertEquals(iterableB, result);
 
         enumeration = FluentIterable.<Long>empty().asEnumeration();
@@ -409,7 +409,7 @@ public class FluentIterableTest {
         try {
             FluentIterable.of(iterableEven).allMatch(null);
             fail("expecting NullPointerException");
-        } catch (NullPointerException npe) {
+        } catch (final NullPointerException npe) {
             // expected
         }
     }
@@ -423,7 +423,7 @@ public class FluentIterableTest {
         try {
             FluentIterable.of(iterableEven).anyMatch(null);
             fail("expecting NullPointerException");
-        } catch (NullPointerException npe) {
+        } catch (final NullPointerException npe) {
             // expected
         }
     }
@@ -439,7 +439,7 @@ public class FluentIterableTest {
         try {
             FluentIterable.of((Iterable<?>) null).size();
             fail("expecting NullPointerException");
-        } catch (NullPointerException npe) {
+        } catch (final NullPointerException npe) {
             // expected
         }
         assertEquals(0, FluentIterable.of(emptyIterable).size());
@@ -448,10 +448,10 @@ public class FluentIterableTest {
 
     @Test
     public void eval() {
-        List<Integer> listNumbers = new ArrayList<>();
+        final List<Integer> listNumbers = new ArrayList<>();
         listNumbers.addAll(Arrays.asList(1, 2, 3, 4, 5, 6, 7, 8, 9, 10));
-        FluentIterable<Integer> iterable = FluentIterable.of(listNumbers).filter(EVEN);
-        FluentIterable<Integer> materialized = iterable.eval();
+        final FluentIterable<Integer> iterable = FluentIterable.of(listNumbers).filter(EVEN);
+        final FluentIterable<Integer> materialized = iterable.eval();
 
         listNumbers.addAll(Arrays.asList(11, 12, 13, 14, 15, 16, 17, 18, 19, 20));
         assertEquals(5, materialized.size());
@@ -493,7 +493,7 @@ public class FluentIterableTest {
         try {
             FluentIterable.of(iterableA).copyInto(null);
             fail("expecting NullPointerException");
-        } catch (NullPointerException npe) {
+        } catch (final NullPointerException npe) {
             // expected
         }
     }
@@ -514,14 +514,14 @@ public class FluentIterableTest {
         try {
             FluentIterable.of(iterableEven).get(-1);
             fail("expecting IndexOutOfBoundsException");
-        } catch (IndexOutOfBoundsException ioe) {
+        } catch (final IndexOutOfBoundsException ioe) {
             // expected
         }
 
         try {
             FluentIterable.of(iterableEven).get(IterableUtils.size(iterableEven));
             fail("expecting IndexOutOfBoundsException");
-        } catch (IndexOutOfBoundsException ioe) {
+        } catch (final IndexOutOfBoundsException ioe) {
             // expected
         }
     }
@@ -529,14 +529,14 @@ public class FluentIterableTest {
     @SuppressWarnings({ "rawtypes", "unchecked" })
     @Test
     public void toArray() {
-        Long[] arr = new Long[] {1L, 2L, 3L, 4L, 5L};
-        Long[] result = FluentIterable.of(arr).toArray(Long.class);
+        final Long[] arr = new Long[] {1L, 2L, 3L, 4L, 5L};
+        final Long[] result = FluentIterable.of(arr).toArray(Long.class);
         assertNotNull(result);
         assertArrayEquals(arr, result);
 
         try {
             FluentIterable.of(arr).toArray((Class) String.class);
-        } catch (ArrayStoreException ase) {
+        } catch (final ArrayStoreException ase) {
             // expected
         }
     }

http://git-wip-us.apache.org/repos/asf/commons-collections/blob/059c468f/src/test/java/org/apache/commons/collections4/IterableUtilsTest.java
----------------------------------------------------------------------
diff --git a/src/test/java/org/apache/commons/collections4/IterableUtilsTest.java b/src/test/java/org/apache/commons/collections4/IterableUtilsTest.java
index 59ff2bb..494592c 100644
--- a/src/test/java/org/apache/commons/collections4/IterableUtilsTest.java
+++ b/src/test/java/org/apache/commons/collections4/IterableUtilsTest.java
@@ -62,7 +62,7 @@ public class IterableUtilsTest {
 
     @Before
     public void setUp() {
-        Collection<Integer> collectionA = new ArrayList<>();
+        final Collection<Integer> collectionA = new ArrayList<>();
         collectionA.add(1);
         collectionA.add(2);
         collectionA.add(2);
@@ -75,7 +75,7 @@ public class IterableUtilsTest {
         collectionA.add(4);
         iterableA = collectionA;
 
-        Collection<Long> collectionB = new LinkedList<>();
+        final Collection<Long> collectionB = new LinkedList<>();
         collectionB.add(5L);
         collectionB.add(4L);
         collectionB.add(4L);
@@ -123,7 +123,7 @@ public class IterableUtilsTest {
         try {
             IterableUtils.forEach(col, null);
             fail("expecting NullPointerException");
-        } catch (NullPointerException npe) {
+        } catch (final NullPointerException npe) {
             // expected
         }
 
@@ -161,7 +161,7 @@ public class IterableUtilsTest {
         try {
             IterableUtils.forEachButLast(col, null);
             fail("expecting NullPointerException");
-        } catch (NullPointerException npe) {
+        } catch (final NullPointerException npe) {
             // expected
         }
 
@@ -184,12 +184,12 @@ public class IterableUtilsTest {
         final Equator<String> secondLetterEquator = new Equator<String>() {
 
             @Override
-            public boolean equate(String o1, String o2) {
+            public boolean equate(final String o1, final String o2) {
                 return o1.charAt(1) == o2.charAt(1);
             }
 
             @Override
-            public int hash(String o) {
+            public int hash(final String o) {
                 return o.charAt(1);
             }
 
@@ -228,8 +228,8 @@ public class IterableUtilsTest {
         // Ensure that generic bounds accept valid parameters, but return
         // expected results
         // e.g. no longs in the "int" Iterable<Number>, and vice versa.
-        Iterable<Number> iterableIntAsNumber = Arrays.<Number>asList(1, 2, 3, 4, 5);
-        Iterable<Number> iterableLongAsNumber = Arrays.<Number>asList(1L, 2L, 3L, 4L, 5L);
+        final Iterable<Number> iterableIntAsNumber = Arrays.<Number>asList(1, 2, 3, 4, 5);
+        final Iterable<Number> iterableLongAsNumber = Arrays.<Number>asList(1L, 2L, 3L, 4L, 5L);
         assertEquals(0, IterableUtils.frequency(iterableIntAsNumber, 2L));
         assertEquals(0, IterableUtils.frequency(iterableLongAsNumber, 2));
 
@@ -316,14 +316,14 @@ public class IterableUtilsTest {
         try {
             assertEquals(0, IterableUtils.countMatches(iterableA, null));
             fail("predicate must not be null");
-        } catch (NullPointerException ex) {
+        } catch (final NullPointerException ex) {
             // expected
         }
 
         try {
             assertEquals(0, IterableUtils.countMatches(null, null));
             fail("predicate must not be null");
-        } catch (NullPointerException ex) {
+        } catch (final NullPointerException ex) {
             // expected
         }
     }
@@ -335,14 +335,14 @@ public class IterableUtilsTest {
         try {
             assertFalse(IterableUtils.matchesAny(null, null));
             fail("predicate must not be null");
-        } catch (NullPointerException ex) {
+        } catch (final NullPointerException ex) {
             // expected
         }
 
         try {
             assertFalse(IterableUtils.matchesAny(list, null));
             fail("predicate must not be null");
-        } catch (NullPointerException ex) {
+        } catch (final NullPointerException ex) {
             // expected
         }
 
@@ -362,28 +362,28 @@ public class IterableUtilsTest {
         try {
             assertFalse(IterableUtils.matchesAll(null, null));
             fail("predicate must not be null");
-        } catch (NullPointerException ex) {
+        } catch (final NullPointerException ex) {
             // expected
         }
 
         try {
             assertFalse(IterableUtils.matchesAll(iterableA, null));
             fail("predicate must not be null");
-        } catch (NullPointerException ex) {
+        } catch (final NullPointerException ex) {
             // expected
         }
 
-        Predicate<Integer> lessThanFive = new Predicate<Integer>() {
+        final Predicate<Integer> lessThanFive = new Predicate<Integer>() {
             @Override
-            public boolean evaluate(Integer object) {
+            public boolean evaluate(final Integer object) {
                 return object < 5;
             }
         };
         assertTrue(IterableUtils.matchesAll(iterableA, lessThanFive));
 
-        Predicate<Integer> lessThanFour = new Predicate<Integer>() {
+        final Predicate<Integer> lessThanFour = new Predicate<Integer>() {
             @Override
-            public boolean evaluate(Integer object) {
+            public boolean evaluate(final Integer object) {
                 return object < 4;
             }
         };
@@ -407,7 +407,7 @@ public class IterableUtilsTest {
     @SuppressWarnings("unchecked")
     @Test
     public void partition() {
-        List<Integer> input = new ArrayList<>();
+        final List<Integer> input = new ArrayList<>();
         input.add(1);
         input.add(2);
         input.add(3);
@@ -421,7 +421,7 @@ public class IterableUtilsTest {
         assertEquals(2, CollectionUtils.extractSingleton(partition).intValue());
 
         // second partition contains 1, 3, and 4
-        Integer[] expected = {1, 3, 4};
+        final Integer[] expected = {1, 3, 4};
         partition = partitions.get(1);
         Assert.assertArrayEquals(expected, partition.toArray());
 
@@ -437,7 +437,7 @@ public class IterableUtilsTest {
         try {
             IterableUtils.partition(input, (Predicate<Integer>) null);
             fail("expecting NullPointerException");
-        } catch (NullPointerException npe) {
+        } catch (final NullPointerException npe) {
             // expected
         }
     }
@@ -445,12 +445,12 @@ public class IterableUtilsTest {
     @SuppressWarnings("unchecked")
     @Test
     public void partitionMultiplePredicates() {
-        List<Integer> input = new ArrayList<>();
+        final List<Integer> input = new ArrayList<>();
         input.add(1);
         input.add(2);
         input.add(3);
         input.add(4);
-        List<List<Integer>> partitions = IterableUtils.partition(input, EQUALS_TWO, EVEN);
+        final List<List<Integer>> partitions = IterableUtils.partition(input, EQUALS_TWO, EVEN);
 
         // first partition contains 2
         Collection<Integer> partition = partitions.get(0);
@@ -463,13 +463,13 @@ public class IterableUtilsTest {
         assertEquals(4, partition.iterator().next().intValue());
 
         // third partition contains 1 and 3
-        Integer[] expected = {1, 3};
+        final Integer[] expected = {1, 3};
         partition = partitions.get(2);
         Assert.assertArrayEquals(expected, partition.toArray());
 
         try {
             IterableUtils.partition(input, EQUALS_TWO, null);
-        } catch (NullPointerException npe) {
+        } catch (final NullPointerException npe) {
             // expected
         }
     }
@@ -487,7 +487,7 @@ public class IterableUtilsTest {
 
         result = IterableUtils.toString(iterableA, new Transformer<Integer, String>() {
             @Override
-            public String transform(Integer input) {
+            public String transform(final Integer input) {
                 return new Integer(input * 2).toString();
             }
         });
@@ -495,7 +495,7 @@ public class IterableUtilsTest {
 
         result = IterableUtils.toString(new ArrayList<Integer>(), new Transformer<Integer, String>() {
             @Override
-            public String transform(Integer input) {
+            public String transform(final Integer input) {
                 fail("not supposed to reach here");
                 return "";
             }
@@ -504,7 +504,7 @@ public class IterableUtilsTest {
 
         result = IterableUtils.toString(null, new Transformer<Integer, String>() {
             @Override
-            public String transform(Integer input) {
+            public String transform(final Integer input) {
                 fail("not supposed to reach here");
                 return "";
             }
@@ -515,9 +515,9 @@ public class IterableUtilsTest {
     @Test
     public void testToStringDelimiter() {
 
-        Transformer<Integer, String> transformer = new Transformer<Integer, String>() {
+        final Transformer<Integer, String> transformer = new Transformer<Integer, String>() {
             @Override
-            public String transform(Integer input) {
+            public String transform(final Integer input) {
                 return new Integer(input * 2).toString();
             }
         };
@@ -552,9 +552,9 @@ public class IterableUtilsTest {
 
     @Test
     public void testToStringWithNullArguments() {
-        String result = IterableUtils.toString(null, new Transformer<Integer, String>() {
+        final String result = IterableUtils.toString(null, new Transformer<Integer, String>() {
             @Override
-            public String transform(Integer input) {
+            public String transform(final Integer input) {
                 fail("not supposed to reach here");
                 return "";
             }
@@ -571,7 +571,7 @@ public class IterableUtilsTest {
         try {
             IterableUtils.toString(new ArrayList<Integer>(), new Transformer<Integer, String>() {
                 @Override
-                public String transform(Integer input) {
+                public String transform(final Integer input) {
                     fail("not supposed to reach here");
                     return "";
                 }
@@ -584,7 +584,7 @@ public class IterableUtilsTest {
         try {
             IterableUtils.toString(new ArrayList<Integer>(), new Transformer<Integer, String>() {
                 @Override
-                public String transform(Integer input) {
+                public String transform(final Integer input) {
                     fail("not supposed to reach here");
                     return "";
                 }
@@ -597,7 +597,7 @@ public class IterableUtilsTest {
         try {
             IterableUtils.toString(new ArrayList<Integer>(), new Transformer<Integer, String>() {
                 @Override
-                public String transform(Integer input) {
+                public String transform(final Integer input) {
                     fail("not supposed to reach here");
                     return "";
                 }

http://git-wip-us.apache.org/repos/asf/commons-collections/blob/059c468f/src/test/java/org/apache/commons/collections4/IteratorUtilsTest.java
----------------------------------------------------------------------
diff --git a/src/test/java/org/apache/commons/collections4/IteratorUtilsTest.java b/src/test/java/org/apache/commons/collections4/IteratorUtilsTest.java
index 09fe803..7210388 100644
--- a/src/test/java/org/apache/commons/collections4/IteratorUtilsTest.java
+++ b/src/test/java/org/apache/commons/collections4/IteratorUtilsTest.java
@@ -960,14 +960,14 @@ public class IteratorUtilsTest {
         try {
             IteratorUtils.collatedIterator(null, collectionOdd.iterator(), null);
             fail("expecting NullPointerException");
-        } catch (NullPointerException npe) {
+        } catch (final NullPointerException npe) {
             // expected
         }
 
         try {
             IteratorUtils.collatedIterator(null, null, collectionEven.iterator());
             fail("expecting NullPointerException");
-        } catch (NullPointerException npe) {
+        } catch (final NullPointerException npe) {
             // expected
         }
 
@@ -978,7 +978,7 @@ public class IteratorUtilsTest {
         List<Integer> result = IteratorUtils.toList(it);
         assertEquals(12, result.size());
 
-        List<Integer> combinedList = new ArrayList<>();
+        final List<Integer> combinedList = new ArrayList<>();
         combinedList.addAll(collectionOdd);
         combinedList.addAll(collectionEven);
         Collections.sort(combinedList);
@@ -1021,7 +1021,7 @@ public class IteratorUtilsTest {
         try {
             IteratorUtils.forEach(col.iterator(), null);
             fail("expecting NullPointerException");
-        } catch (NullPointerException npe) {
+        } catch (final NullPointerException npe) {
             // expected
         }
 
@@ -1051,7 +1051,7 @@ public class IteratorUtilsTest {
         try {
             IteratorUtils.forEachButLast(col.iterator(), null);
             fail("expecting NullPointerException");
-        } catch (NullPointerException npe) {
+        } catch (final NullPointerException npe) {
             // expected
         }
 

http://git-wip-us.apache.org/repos/asf/commons-collections/blob/059c468f/src/test/java/org/apache/commons/collections4/ListUtilsTest.java
----------------------------------------------------------------------
diff --git a/src/test/java/org/apache/commons/collections4/ListUtilsTest.java b/src/test/java/org/apache/commons/collections4/ListUtilsTest.java
index fee6460..69747b7 100644
--- a/src/test/java/org/apache/commons/collections4/ListUtilsTest.java
+++ b/src/test/java/org/apache/commons/collections4/ListUtilsTest.java
@@ -128,7 +128,7 @@ public class ListUtilsTest {
                 return o instanceof String;
             }
         };
-        List<Object> list = ListUtils.predicatedList(new ArrayList<>(), predicate);
+        final List<Object> list = ListUtils.predicatedList(new ArrayList<>(), predicate);
         assertTrue("returned object should be a PredicatedList", list instanceof PredicatedList);
         try {
             ListUtils.predicatedList(new ArrayList<>(), null);
@@ -339,20 +339,20 @@ public class ListUtilsTest {
         List<Character> lcs = ListUtils.longestCommonSubsequence(Collections.EMPTY_LIST, Collections.EMPTY_LIST);
         assertEquals(0, lcs.size());
 
-        List<Character> list1 = Arrays.asList('B', 'A', 'N', 'A', 'N', 'A');
-        List<Character> list2 = Arrays.asList('A', 'N', 'A', 'N', 'A', 'S');
+        final List<Character> list1 = Arrays.asList('B', 'A', 'N', 'A', 'N', 'A');
+        final List<Character> list2 = Arrays.asList('A', 'N', 'A', 'N', 'A', 'S');
         lcs = ListUtils.longestCommonSubsequence(list1, list2);
 
         List<Character> expected = Arrays.asList('A', 'N', 'A', 'N', 'A');
         assertEquals(expected, lcs);
 
-        List<Character> list3 = Arrays.asList('A', 'T', 'A', 'N', 'A');
+        final List<Character> list3 = Arrays.asList('A', 'T', 'A', 'N', 'A');
         lcs = ListUtils.longestCommonSubsequence(list1, list3);
 
         expected = Arrays.asList('A', 'A', 'N', 'A');
         assertEquals(expected, lcs);
 
-        List<Character> listZorro = Arrays.asList('Z', 'O', 'R', 'R', 'O');
+        final List<Character> listZorro = Arrays.asList('Z', 'O', 'R', 'R', 'O');
         lcs = ListUtils.longestCommonSubsequence(list1, listZorro);
 
         assertTrue(lcs.isEmpty());
@@ -379,18 +379,18 @@ public class ListUtilsTest {
       String lcs = ListUtils.longestCommonSubsequence("", "");
       assertEquals(0, lcs.length());
 
-      String banana = "BANANA";
-      String ananas = "ANANAS";
+      final String banana = "BANANA";
+      final String ananas = "ANANAS";
       lcs = ListUtils.longestCommonSubsequence(banana, ananas);
 
       assertEquals("ANANA", lcs);
 
-      String atana = "ATANA";
+      final String atana = "ATANA";
       lcs = ListUtils.longestCommonSubsequence(banana, atana);
 
       assertEquals("AANA", lcs);
 
-      String zorro = "ZORRO";
+      final String zorro = "ZORRO";
       lcs = ListUtils.longestCommonSubsequence(banana, zorro);
 
       assertEquals(0, lcs.length());

http://git-wip-us.apache.org/repos/asf/commons-collections/blob/059c468f/src/test/java/org/apache/commons/collections4/MapUtilsTest.java
----------------------------------------------------------------------
diff --git a/src/test/java/org/apache/commons/collections4/MapUtilsTest.java b/src/test/java/org/apache/commons/collections4/MapUtilsTest.java
index 879a605..676a3ab 100644
--- a/src/test/java/org/apache/commons/collections4/MapUtilsTest.java
+++ b/src/test/java/org/apache/commons/collections4/MapUtilsTest.java
@@ -57,7 +57,7 @@ import org.junit.Test;
 @SuppressWarnings("boxing")
 public class MapUtilsTest extends AbstractAvailableLocalesTest {
 
-    public MapUtilsTest(Locale locale) {
+    public MapUtilsTest(final Locale locale) {
         super(locale);
     }
 
@@ -73,7 +73,7 @@ public class MapUtilsTest extends AbstractAvailableLocalesTest {
     @Test
     public void testPredicatedMap() {
         final Predicate<Object> p = getPredicate();
-        Map<Object, Object> map = MapUtils.predicatedMap(new HashMap<>(), p, p);
+        final Map<Object, Object> map = MapUtils.predicatedMap(new HashMap<>(), p, p);
         assertTrue("returned object should be a PredicatedMap", map instanceof PredicatedMap);
         try {
             MapUtils.predicatedMap(null, p, p);
@@ -832,13 +832,13 @@ public class MapUtilsTest extends AbstractAvailableLocalesTest {
         int key;
         String name;
 
-        public X(int key, String name) {
+        public X(final int key, final String name) {
             this.key = key;
             this.name = name;
         }
 
         @Override
-        public int compareTo(X o) {
+        public int compareTo(final X o) {
             return key - o.key | name.compareTo(o.name);
         }
 
@@ -858,7 +858,7 @@ public class MapUtilsTest extends AbstractAvailableLocalesTest {
         final MultiValueMap<Integer, X> map = MultiValueMap.multiValueMap(new TreeMap<Integer, Collection<X>>());
         MapUtils.populateMap(map, list, new Transformer<X, Integer>() {
             @Override
-            public Integer transform(X input) {
+            public Integer transform(final X input) {
                 return input.key;
             }
         }, TransformerUtils.<X> nopTransformer());
@@ -959,7 +959,7 @@ public class MapUtilsTest extends AbstractAvailableLocalesTest {
 
 
         final Map<String, String> inStr = new HashMap<>();
-        char decimalSeparator = getDecimalSeparator();
+        final char decimalSeparator = getDecimalSeparator();
         inStr.put("str1", "2" + decimalSeparator + "0");
 
         assertEquals(MapUtils.getDoubleValue(inStr,"str1", 0.0), 2.0, 0);
@@ -978,7 +978,7 @@ public class MapUtilsTest extends AbstractAvailableLocalesTest {
         assertEquals(1.0, MapUtils.getFloat(in,"noKey", 1.0f), 0);
 
         final Map<String, String> inStr = new HashMap<>();
-        char decimalSeparator = getDecimalSeparator();
+        final char decimalSeparator = getDecimalSeparator();
         inStr.put("str1", "2" + decimalSeparator + "0");
 
         assertEquals(MapUtils.getFloatValue(inStr,"str1", 0.0f), 2.0, 0);
@@ -1152,12 +1152,12 @@ public class MapUtilsTest extends AbstractAvailableLocalesTest {
     	final Map<String, String> inMap = new HashMap<>();
     	inMap.put("key1", "value1");
     	inMap.put("key2", "value2");
-        Map<String, String> map = MapUtils.orderedMap(inMap);
+        final Map<String, String> map = MapUtils.orderedMap(inMap);
         assertTrue("returned object should be a OrderedMap", map instanceof OrderedMap);
     }
 
     private char getDecimalSeparator() {
-        NumberFormat numberFormat = NumberFormat.getInstance();
+        final NumberFormat numberFormat = NumberFormat.getInstance();
         if (numberFormat instanceof DecimalFormat) {
             return ((DecimalFormat) numberFormat).getDecimalFormatSymbols().getDecimalSeparator();
         }

http://git-wip-us.apache.org/repos/asf/commons-collections/blob/059c468f/src/test/java/org/apache/commons/collections4/MultiMapUtilsTest.java
----------------------------------------------------------------------
diff --git a/src/test/java/org/apache/commons/collections4/MultiMapUtilsTest.java b/src/test/java/org/apache/commons/collections4/MultiMapUtilsTest.java
index 4e14559..4806ba0 100644
--- a/src/test/java/org/apache/commons/collections4/MultiMapUtilsTest.java
+++ b/src/test/java/org/apache/commons/collections4/MultiMapUtilsTest.java
@@ -44,7 +44,7 @@ public class MultiMapUtilsTest {
         try {
             map.put("key", "value");
             fail("Should throw UnsupportedOperationException");
-        } catch (UnsupportedOperationException e) {
+        } catch (final UnsupportedOperationException e) {
         }
     }
 
@@ -55,7 +55,7 @@ public class MultiMapUtilsTest {
         try {
             map.put("key", "value");
             fail("Should throw UnsupportedOperationException");
-        } catch (UnsupportedOperationException e) {
+        } catch (final UnsupportedOperationException e) {
         }
     }
 
@@ -91,14 +91,14 @@ public class MultiMapUtilsTest {
     public void testGetCollection() {
         assertNull(MultiMapUtils.getCollection(null, "key1"));
 
-        String values[] = { "v1", "v2", "v3" };
+        final String values[] = { "v1", "v2", "v3" };
         final MultiValuedMap<String, String> map = new ArrayListValuedHashMap<>();
-        for (String val : values) {
+        for (final String val : values) {
             map.put("key1", val);
         }
 
-        Collection<String> col = MultiMapUtils.getCollection(map, "key1");
-        for (String val : values) {
+        final Collection<String> col = MultiMapUtils.getCollection(map, "key1");
+        for (final String val : values) {
             assertTrue(col.contains(val));
         }
     }
@@ -107,15 +107,15 @@ public class MultiMapUtilsTest {
     public void testGetValuesAsList() {
         assertNull(MultiMapUtils.getValuesAsList(null, "key1"));
 
-        String values[] = { "v1", "v2", "v3" };
+        final String values[] = { "v1", "v2", "v3" };
         final MultiValuedMap<String, String> map = new ArrayListValuedHashMap<>();
-        for (String val : values) {
+        for (final String val : values) {
             map.put("key1", val);
         }
 
-        List<String> list = MultiMapUtils.getValuesAsList(map, "key1");
+        final List<String> list = MultiMapUtils.getValuesAsList(map, "key1");
         int i = 0;
-        for (String val : list) {
+        for (final String val : list) {
             assertTrue(val.equals(values[i++]));
         }
     }
@@ -124,16 +124,16 @@ public class MultiMapUtilsTest {
     public void testGetValuesAsSet() {
         assertNull(MultiMapUtils.getValuesAsList(null, "key1"));
 
-        String values[] = { "v1", "v2", "v3" };
+        final String values[] = { "v1", "v2", "v3" };
         final MultiValuedMap<String, String> map = new ArrayListValuedHashMap<>();
-        for (String val : values) {
+        for (final String val : values) {
             map.put("key1", val);
             map.put("key1", val);
         }
 
-        Set<String> set = MultiMapUtils.getValuesAsSet(map, "key1");
+        final Set<String> set = MultiMapUtils.getValuesAsSet(map, "key1");
         assertEquals(3, set.size());
-        for (String val : values) {
+        for (final String val : values) {
             assertTrue(set.contains(val));
         }
     }
@@ -142,16 +142,16 @@ public class MultiMapUtilsTest {
     public void testGetValuesAsBag() {
         assertNull(MultiMapUtils.getValuesAsBag(null, "key1"));
 
-        String values[] = { "v1", "v2", "v3" };
+        final String values[] = { "v1", "v2", "v3" };
         final MultiValuedMap<String, String> map = new ArrayListValuedHashMap<>();
-        for (String val : values) {
+        for (final String val : values) {
             map.put("key1", val);
             map.put("key1", val);
         }
 
-        Bag<String> bag = MultiMapUtils.getValuesAsBag(map, "key1");
+        final Bag<String> bag = MultiMapUtils.getValuesAsBag(map, "key1");
         assertEquals(6, bag.size());
-        for (String val : values) {
+        for (final String val : values) {
             assertTrue(bag.contains(val));
             assertEquals(2, bag.getCount(val));
         }

http://git-wip-us.apache.org/repos/asf/commons-collections/blob/059c468f/src/test/java/org/apache/commons/collections4/QueueUtilsTest.java
----------------------------------------------------------------------
diff --git a/src/test/java/org/apache/commons/collections4/QueueUtilsTest.java b/src/test/java/org/apache/commons/collections4/QueueUtilsTest.java
index 12be711..418dd86 100644
--- a/src/test/java/org/apache/commons/collections4/QueueUtilsTest.java
+++ b/src/test/java/org/apache/commons/collections4/QueueUtilsTest.java
@@ -43,7 +43,7 @@ public class QueueUtilsTest {
 
     @Test
     public void testSynchronizedQueue() {
-        Queue<Object> queue = QueueUtils.synchronizedQueue(new LinkedList<Object>());
+        final Queue<Object> queue = QueueUtils.synchronizedQueue(new LinkedList<Object>());
         assertTrue("Returned object should be a SynchronizedQueue.", queue instanceof SynchronizedQueue);
         try {
             QueueUtils.synchronizedQueue(null);
@@ -55,7 +55,7 @@ public class QueueUtilsTest {
 
     @Test
     public void testUnmodifiableQueue() {
-        Queue<Object> queue = QueueUtils.unmodifiableQueue(new LinkedList<>());
+        final Queue<Object> queue = QueueUtils.unmodifiableQueue(new LinkedList<>());
         assertTrue("Returned object should be an UnmodifiableQueue.", queue instanceof UnmodifiableQueue);
         try {
             QueueUtils.unmodifiableQueue(null);
@@ -69,7 +69,7 @@ public class QueueUtilsTest {
 
     @Test
     public void testPredicatedQueue() {
-        Queue<Object> queue = QueueUtils.predicatedQueue(new LinkedList<>(), truePredicate);
+        final Queue<Object> queue = QueueUtils.predicatedQueue(new LinkedList<>(), truePredicate);
         assertTrue("Returned object should be a PredicatedQueue.", queue instanceof PredicatedQueue);
         try {
             QueueUtils.predicatedQueue(null, truePredicate);
@@ -87,7 +87,7 @@ public class QueueUtilsTest {
 
     @Test
     public void testTransformedQueue() {
-        Queue<Object> queue = QueueUtils.transformingQueue(new LinkedList<>(), nopTransformer);
+        final Queue<Object> queue = QueueUtils.transformingQueue(new LinkedList<>(), nopTransformer);
         assertTrue("Returned object should be an TransformedQueue.", queue instanceof TransformedQueue);
         try {
             QueueUtils.transformingQueue(null, nopTransformer);
@@ -105,7 +105,7 @@ public class QueueUtilsTest {
 
     @Test
     public void testEmptyQueue() {
-        Queue<Object> queue = QueueUtils.emptyQueue();
+        final Queue<Object> queue = QueueUtils.emptyQueue();
         assertTrue("Returned object should be an UnmodifiableQueue.", queue instanceof UnmodifiableQueue);
         assertTrue("Returned queue is not empty.", queue.isEmpty());
 

http://git-wip-us.apache.org/repos/asf/commons-collections/blob/059c468f/src/test/java/org/apache/commons/collections4/SetUtilsTest.java
----------------------------------------------------------------------
diff --git a/src/test/java/org/apache/commons/collections4/SetUtilsTest.java b/src/test/java/org/apache/commons/collections4/SetUtilsTest.java
index 9dc08ef..68fdabe 100644
--- a/src/test/java/org/apache/commons/collections4/SetUtilsTest.java
+++ b/src/test/java/org/apache/commons/collections4/SetUtilsTest.java
@@ -68,7 +68,7 @@ public class SetUtilsTest {
                 return o instanceof String;
             }
         };
-        Set<Object> set = SetUtils.predicatedSet(new HashSet<>(), predicate);
+        final Set<Object> set = SetUtils.predicatedSet(new HashSet<>(), predicate);
         assertTrue("returned object should be a PredicatedSet", set instanceof PredicatedSet);
         try {
             SetUtils.predicatedSet(new HashSet<>(), null);
@@ -126,8 +126,8 @@ public class SetUtilsTest {
 
     @Test
     public void testNewIdentityHashSet() {
-        Set<String> set = SetUtils.newIdentityHashSet();
-        String a = new String("a");
+        final Set<String> set = SetUtils.newIdentityHashSet();
+        final String a = new String("a");
         set.add(a);
         set.add(new String("b"));
         set.add(a);
@@ -154,14 +154,14 @@ public class SetUtilsTest {
         try {
             SetUtils.union(setA, null);
             fail("Expecting NullPointerException");
-        } catch (NullPointerException npe) {
+        } catch (final NullPointerException npe) {
             // expected
         }
 
         try {
             SetUtils.union(null, setA);
             fail("Expecting NullPointerException");
-        } catch (NullPointerException npe) {
+        } catch (final NullPointerException npe) {
             // expected
         }
     }
@@ -172,7 +172,7 @@ public class SetUtilsTest {
         assertEquals(2, set.size());
         assertTrue(set.contains(1));
         assertTrue(set.contains(2));
-        for (Integer i : setB) {
+        for (final Integer i : setB) {
             assertFalse(set.contains(i));
         }
 
@@ -182,14 +182,14 @@ public class SetUtilsTest {
         try {
             SetUtils.difference(setA, null);
             fail("Expecting NullPointerException");
-        } catch (NullPointerException npe) {
+        } catch (final NullPointerException npe) {
             // expected
         }
 
         try {
             SetUtils.difference(null, setA);
             fail("Expecting NullPointerException");
-        } catch (NullPointerException npe) {
+        } catch (final NullPointerException npe) {
             // expected
         }
     }
@@ -212,14 +212,14 @@ public class SetUtilsTest {
         try {
             SetUtils.intersection(setA, null);
             fail("Expecting NullPointerException");
-        } catch (NullPointerException npe) {
+        } catch (final NullPointerException npe) {
             // expected
         }
 
         try {
             SetUtils.intersection(null, setA);
             fail("Expecting NullPointerException");
-        } catch (NullPointerException npe) {
+        } catch (final NullPointerException npe) {
             // expected
         }
     }
@@ -242,14 +242,14 @@ public class SetUtilsTest {
         try {
             SetUtils.disjunction(setA, null);
             fail("Expecting NullPointerException");
-        } catch (NullPointerException npe) {
+        } catch (final NullPointerException npe) {
             // expected
         }
 
         try {
             SetUtils.disjunction(null, setA);
             fail("Expecting NullPointerException");
-        } catch (NullPointerException npe) {
+        } catch (final NullPointerException npe) {
             // expected
         }
     }

http://git-wip-us.apache.org/repos/asf/commons-collections/blob/059c468f/src/test/java/org/apache/commons/collections4/TransformerUtilsTest.java
----------------------------------------------------------------------
diff --git a/src/test/java/org/apache/commons/collections4/TransformerUtilsTest.java b/src/test/java/org/apache/commons/collections4/TransformerUtilsTest.java
index 4b875b8..b31db39 100644
--- a/src/test/java/org/apache/commons/collections4/TransformerUtilsTest.java
+++ b/src/test/java/org/apache/commons/collections4/TransformerUtilsTest.java
@@ -247,9 +247,9 @@ public class TransformerUtilsTest {
         assertEquals("A", TransformerUtils.ifTransformer(TruePredicate.truePredicate(), a, b).transform(null));
         assertEquals("B", TransformerUtils.ifTransformer(FalsePredicate.falsePredicate(), a, b).transform(null));
 
-        Predicate<Integer> lessThanFivePredicate = new Predicate<Integer>() {
+        final Predicate<Integer> lessThanFivePredicate = new Predicate<Integer>() {
             @Override
-            public boolean evaluate(Integer value) {
+            public boolean evaluate(final Integer value) {
                 return value < 5;
             }
         };
@@ -258,7 +258,7 @@ public class TransformerUtilsTest {
         assertEquals("B", TransformerUtils.<Integer, String>ifTransformer(lessThanFivePredicate, a, b).transform(5));
 
         // if tests
-        Predicate<String> equalsAPredicate = EqualPredicate.equalPredicate("A");
+        final Predicate<String> equalsAPredicate = EqualPredicate.equalPredicate("A");
         assertEquals("C", TransformerUtils.<String>ifTransformer(equalsAPredicate, c).transform("A"));
         assertEquals("B", TransformerUtils.<String>ifTransformer(equalsAPredicate, c).transform("B"));
 

http://git-wip-us.apache.org/repos/asf/commons-collections/blob/059c468f/src/test/java/org/apache/commons/collections4/TrieUtilsTest.java
----------------------------------------------------------------------
diff --git a/src/test/java/org/apache/commons/collections4/TrieUtilsTest.java b/src/test/java/org/apache/commons/collections4/TrieUtilsTest.java
index d2f31d1..1c78852 100644
--- a/src/test/java/org/apache/commons/collections4/TrieUtilsTest.java
+++ b/src/test/java/org/apache/commons/collections4/TrieUtilsTest.java
@@ -32,7 +32,7 @@ public class TrieUtilsTest {
 
     @Test
     public void testUnmodifiableTrie() {
-        Trie<String, Object> trie = TrieUtils.unmodifiableTrie(new PatriciaTrie<>());
+        final Trie<String, Object> trie = TrieUtils.unmodifiableTrie(new PatriciaTrie<>());
         assertTrue("Returned object should be an UnmodifiableTrie.",
             trie instanceof UnmodifiableTrie);
         try {

http://git-wip-us.apache.org/repos/asf/commons-collections/blob/059c468f/src/test/java/org/apache/commons/collections4/bag/TreeBagTest.java
----------------------------------------------------------------------
diff --git a/src/test/java/org/apache/commons/collections4/bag/TreeBagTest.java b/src/test/java/org/apache/commons/collections4/bag/TreeBagTest.java
index 593c536..380eecc 100644
--- a/src/test/java/org/apache/commons/collections4/bag/TreeBagTest.java
+++ b/src/test/java/org/apache/commons/collections4/bag/TreeBagTest.java
@@ -77,7 +77,7 @@ public class TreeBagTest<T> extends AbstractSortedBagTest<T> {
 
         final Bag<String> bag2 = new TreeBag<>(new Comparator<String>() {
             @Override
-            public int compare(String o1, String o2) {
+            public int compare(final String o1, final String o2) {
                 return o1.compareTo(o2);
             }
         });

http://git-wip-us.apache.org/repos/asf/commons-collections/blob/059c468f/src/test/java/org/apache/commons/collections4/bidimap/DualTreeBidiMap2Test.java
----------------------------------------------------------------------
diff --git a/src/test/java/org/apache/commons/collections4/bidimap/DualTreeBidiMap2Test.java b/src/test/java/org/apache/commons/collections4/bidimap/DualTreeBidiMap2Test.java
index 2c3978d..486b0de 100644
--- a/src/test/java/org/apache/commons/collections4/bidimap/DualTreeBidiMap2Test.java
+++ b/src/test/java/org/apache/commons/collections4/bidimap/DualTreeBidiMap2Test.java
@@ -153,7 +153,7 @@ public class DualTreeBidiMap2Test<K extends Comparable<K>, V extends Comparable<
      */
     @Override
     public String[] ignoredTests() {
-        String recursiveTest = "DualTreeBidiMap2Test.bulkTestInverseMap.bulkTestInverseMap";
+        final String recursiveTest = "DualTreeBidiMap2Test.bulkTestInverseMap.bulkTestInverseMap";
 
         if (IBMJDK16) {
             final String preSub = "DualTreeBidiMap2Test.bulkTestSubMap.";

http://git-wip-us.apache.org/repos/asf/commons-collections/blob/059c468f/src/test/java/org/apache/commons/collections4/collection/AbstractCollectionTest.java
----------------------------------------------------------------------
diff --git a/src/test/java/org/apache/commons/collections4/collection/AbstractCollectionTest.java b/src/test/java/org/apache/commons/collections4/collection/AbstractCollectionTest.java
index 08a7eee..f9b1a18 100644
--- a/src/test/java/org/apache/commons/collections4/collection/AbstractCollectionTest.java
+++ b/src/test/java/org/apache/commons/collections4/collection/AbstractCollectionTest.java
@@ -671,7 +671,7 @@ public abstract class AbstractCollectionTest<E> extends AbstractObjectTest {
 
         resetFull();
         elements = getOtherElements();
-        for (Object element : elements) {
+        for (final Object element : elements) {
             assertTrue("Full collection shouldn't contain element",
                     !getCollection().contains(element));
         }
@@ -861,7 +861,7 @@ public abstract class AbstractCollectionTest<E> extends AbstractObjectTest {
 
         resetEmpty();
         final E[] elements = getFullElements();
-        for (E element : elements) {
+        for (final E element : elements) {
             assertTrue("Shouldn't remove nonexistent element", !getCollection().remove(element));
             verify();
         }
@@ -869,7 +869,7 @@ public abstract class AbstractCollectionTest<E> extends AbstractObjectTest {
         final E[] other = getOtherElements();
 
         resetFull();
-        for (E element : other) {
+        for (final E element : other) {
             assertTrue("Shouldn't remove nonexistent other element", !getCollection().remove(element));
             verify();
         }
@@ -939,7 +939,7 @@ public abstract class AbstractCollectionTest<E> extends AbstractObjectTest {
         verify();
 
         assertTrue("Collection should shrink after removeAll", getCollection().size() < size);
-        for (E element : all) {
+        for (final E element : all) {
             assertTrue("Collection shouldn't contain removed element", !getCollection().contains(element));
         }
     }
@@ -991,7 +991,7 @@ public abstract class AbstractCollectionTest<E> extends AbstractObjectTest {
             getConfirmed().retainAll(elements.subList(min, max));
             verify();
 
-            for (E element : getCollection()) {
+            for (final E element : getCollection()) {
                 assertTrue("Collection only contains retained element", elements.subList(min, max).contains(element));
             }
         }

http://git-wip-us.apache.org/repos/asf/commons-collections/blob/059c468f/src/test/java/org/apache/commons/collections4/collection/PredicatedCollectionBuilderTest.java
----------------------------------------------------------------------
diff --git a/src/test/java/org/apache/commons/collections4/collection/PredicatedCollectionBuilderTest.java b/src/test/java/org/apache/commons/collections4/collection/PredicatedCollectionBuilderTest.java
index 4159a60..37334a2 100644
--- a/src/test/java/org/apache/commons/collections4/collection/PredicatedCollectionBuilderTest.java
+++ b/src/test/java/org/apache/commons/collections4/collection/PredicatedCollectionBuilderTest.java
@@ -39,7 +39,7 @@ public class PredicatedCollectionBuilderTest {
      */
     @Test
     public void addPass() {
-        PredicatedCollection.Builder<String> builder = PredicatedCollection.notNullBuilder();
+        final PredicatedCollection.Builder<String> builder = PredicatedCollection.notNullBuilder();
         builder.add("test");
         Assert.assertEquals(builder.createPredicatedList().size(), 1);
     }
@@ -49,7 +49,7 @@ public class PredicatedCollectionBuilderTest {
      */
     @Test
     public void addFail() {
-        PredicatedCollection.Builder<String> builder = PredicatedCollection.notNullBuilder();
+        final PredicatedCollection.Builder<String> builder = PredicatedCollection.notNullBuilder();
         builder.add((String) null);
         Assert.assertTrue(builder.createPredicatedList().isEmpty());
 
@@ -61,27 +61,27 @@ public class PredicatedCollectionBuilderTest {
      */
     @Test
     public void addAllPass() {
-        PredicatedCollection.Builder<String> builder = PredicatedCollection.notNullBuilder();
+        final PredicatedCollection.Builder<String> builder = PredicatedCollection.notNullBuilder();
         builder.addAll(Arrays.asList("test1", null, "test2"));
         Assert.assertEquals(builder.createPredicatedList().size(), 2);
     }
 
     @Test
     public void createPredicatedCollectionWithNotNullPredicate() {
-        PredicatedCollection.Builder<String> builder = PredicatedCollection.notNullBuilder();
+        final PredicatedCollection.Builder<String> builder = PredicatedCollection.notNullBuilder();
         builder.add("test1");
         builder.add((String) null);
 
-        List<String> predicatedList = builder.createPredicatedList();
+        final List<String> predicatedList = builder.createPredicatedList();
         checkPredicatedCollection1(predicatedList);
 
-        Set<String> predicatedSet = builder.createPredicatedSet();
+        final Set<String> predicatedSet = builder.createPredicatedSet();
         checkPredicatedCollection1(predicatedSet);
 
-        Bag<String> predicatedBag = builder.createPredicatedBag();
+        final Bag<String> predicatedBag = builder.createPredicatedBag();
         checkPredicatedCollection1(predicatedBag);
 
-        Queue<String> predicatedQueue = builder.createPredicatedQueue();
+        final Queue<String> predicatedQueue = builder.createPredicatedQueue();
         checkPredicatedCollection1(predicatedQueue);
     }
 
@@ -94,30 +94,30 @@ public class PredicatedCollectionBuilderTest {
         try {
             collection.add(null);
             Assert.fail("Expecting IllegalArgumentException for failing predicate!");
-        } catch (IllegalArgumentException iae) {
+        } catch (final IllegalArgumentException iae) {
             // expected
         }
     }
 
     @Test
     public void createPredicatedCollectionWithPredicate() {
-        OddPredicate p = new OddPredicate();
-        PredicatedCollection.Builder<Integer> builder = PredicatedCollection.builder(p);
+        final OddPredicate p = new OddPredicate();
+        final PredicatedCollection.Builder<Integer> builder = PredicatedCollection.builder(p);
 
         builder.add(1);
         builder.add(2);
         builder.add(3);
 
-        List<Integer> predicatedList = builder.createPredicatedList();
+        final List<Integer> predicatedList = builder.createPredicatedList();
         checkPredicatedCollection2(predicatedList);
 
-        Set<Integer> predicatedSet = builder.createPredicatedSet();
+        final Set<Integer> predicatedSet = builder.createPredicatedSet();
         checkPredicatedCollection2(predicatedSet);
 
-        Bag<Integer> predicatedBag = builder.createPredicatedBag();
+        final Bag<Integer> predicatedBag = builder.createPredicatedBag();
         checkPredicatedCollection2(predicatedBag);
 
-        Queue<Integer> predicatedQueue = builder.createPredicatedQueue();
+        final Queue<Integer> predicatedQueue = builder.createPredicatedQueue();
         checkPredicatedCollection2(predicatedQueue);
     }
 
@@ -127,7 +127,7 @@ public class PredicatedCollectionBuilderTest {
         try {
             collection.add(4);
             Assert.fail("Expecting IllegalArgumentException for failing predicate!");
-        } catch (IllegalArgumentException iae) {
+        } catch (final IllegalArgumentException iae) {
         }
         Assert.assertEquals(2, collection.size());
 
@@ -137,7 +137,7 @@ public class PredicatedCollectionBuilderTest {
 
     private static class OddPredicate implements Predicate<Integer> {
         @Override
-        public boolean evaluate(Integer value) {
+        public boolean evaluate(final Integer value) {
             return value % 2 == 1;
         }
     }

http://git-wip-us.apache.org/repos/asf/commons-collections/blob/059c468f/src/test/java/org/apache/commons/collections4/comparators/TransformingComparatorTest.java
----------------------------------------------------------------------
diff --git a/src/test/java/org/apache/commons/collections4/comparators/TransformingComparatorTest.java b/src/test/java/org/apache/commons/collections4/comparators/TransformingComparatorTest.java
index 11cbd27..81d8481 100644
--- a/src/test/java/org/apache/commons/collections4/comparators/TransformingComparatorTest.java
+++ b/src/test/java/org/apache/commons/collections4/comparators/TransformingComparatorTest.java
@@ -61,9 +61,9 @@ public class TransformingComparatorTest extends AbstractComparatorTest<Integer>
     }
 
     public void testEquals() {
-        Transformer<String, String> t1 = TransformerUtils.nopTransformer();
-        TransformingComparator<String, String> comp1 = new TransformingComparator<>(t1);
-        TransformingComparator<String, String> comp2 = new TransformingComparator<>(t1, comp1);
+        final Transformer<String, String> t1 = TransformerUtils.nopTransformer();
+        final TransformingComparator<String, String> comp1 = new TransformingComparator<>(t1);
+        final TransformingComparator<String, String> comp2 = new TransformingComparator<>(t1, comp1);
 
         // Checks the contract: equals-hashcode on comp1 and comp2
         assertTrue("Contract failed: equals-hashcode",

http://git-wip-us.apache.org/repos/asf/commons-collections/blob/059c468f/src/test/java/org/apache/commons/collections4/iterators/BoundedIteratorTest.java
----------------------------------------------------------------------
diff --git a/src/test/java/org/apache/commons/collections4/iterators/BoundedIteratorTest.java b/src/test/java/org/apache/commons/collections4/iterators/BoundedIteratorTest.java
index 0d868cb..7cf6372 100644
--- a/src/test/java/org/apache/commons/collections4/iterators/BoundedIteratorTest.java
+++ b/src/test/java/org/apache/commons/collections4/iterators/BoundedIteratorTest.java
@@ -66,7 +66,7 @@ public class BoundedIteratorTest<E> extends AbstractIteratorTest<E> {
      */
     @Test
     public void testBounded() {
-        Iterator<E> iter = new BoundedIterator<>(testList.iterator(), 2, 4);
+        final Iterator<E> iter = new BoundedIterator<>(testList.iterator(), 2, 4);
 
         assertTrue(iter.hasNext());
         assertEquals("c", iter.next());
@@ -81,7 +81,7 @@ public class BoundedIteratorTest<E> extends AbstractIteratorTest<E> {
         try {
             iter.next();
             fail("Expected NoSuchElementException.");
-        } catch (NoSuchElementException nsee) { /* Success case */
+        } catch (final NoSuchElementException nsee) { /* Success case */
         }
     }
 
@@ -92,7 +92,7 @@ public class BoundedIteratorTest<E> extends AbstractIteratorTest<E> {
      */
     @Test
     public void testSameAsDecorated() {
-        Iterator<E> iter = new BoundedIterator<>(testList.iterator(), 0,
+        final Iterator<E> iter = new BoundedIterator<>(testList.iterator(), 0,
                                                   testList.size());
 
         assertTrue(iter.hasNext());
@@ -114,7 +114,7 @@ public class BoundedIteratorTest<E> extends AbstractIteratorTest<E> {
         try {
             iter.next();
             fail("Expected NoSuchElementException.");
-        } catch (NoSuchElementException nsee) { /* Success case */
+        } catch (final NoSuchElementException nsee) { /* Success case */
         }
     }
 
@@ -125,12 +125,12 @@ public class BoundedIteratorTest<E> extends AbstractIteratorTest<E> {
      */
     @Test
     public void testEmptyBounded() {
-        Iterator<E> iter = new BoundedIterator<>(testList.iterator(), 3, 0);
+        final Iterator<E> iter = new BoundedIterator<>(testList.iterator(), 3, 0);
         assertFalse(iter.hasNext());
         try {
             iter.next();
             fail("Expected NoSuchElementException.");
-        } catch (NoSuchElementException nsee) { /* Success case */
+        } catch (final NoSuchElementException nsee) { /* Success case */
         }
     }
 
@@ -143,7 +143,7 @@ public class BoundedIteratorTest<E> extends AbstractIteratorTest<E> {
         try {
             new BoundedIterator<>(testList.iterator(), -1, 4);
             fail("Expected IllegalArgumentException.");
-        } catch (IllegalArgumentException iae) { /* Success case */
+        } catch (final IllegalArgumentException iae) { /* Success case */
         }
     }
 
@@ -156,7 +156,7 @@ public class BoundedIteratorTest<E> extends AbstractIteratorTest<E> {
         try {
             new BoundedIterator<>(testList.iterator(), 3, -1);
             fail("Expected IllegalArgumentException.");
-        } catch (IllegalArgumentException iae) { /* Success case */
+        } catch (final IllegalArgumentException iae) { /* Success case */
         }
     }
 
@@ -167,12 +167,12 @@ public class BoundedIteratorTest<E> extends AbstractIteratorTest<E> {
      */
     @Test
     public void testOffsetGreaterThanSize() {
-        Iterator<E> iter = new BoundedIterator<>(testList.iterator(), 10, 4);
+        final Iterator<E> iter = new BoundedIterator<>(testList.iterator(), 10, 4);
         assertFalse(iter.hasNext());
         try {
             iter.next();
             fail("Expected NoSuchElementException.");
-        } catch (NoSuchElementException nsee) { /* Success case */
+        } catch (final NoSuchElementException nsee) { /* Success case */
         }
     }
 
@@ -184,7 +184,7 @@ public class BoundedIteratorTest<E> extends AbstractIteratorTest<E> {
      */
     @Test
     public void testMaxGreaterThanSize() {
-        Iterator<E> iter = new BoundedIterator<>(testList.iterator(), 1, 10);
+        final Iterator<E> iter = new BoundedIterator<>(testList.iterator(), 1, 10);
 
         assertTrue(iter.hasNext());
         assertEquals("b", iter.next());
@@ -203,7 +203,7 @@ public class BoundedIteratorTest<E> extends AbstractIteratorTest<E> {
         try {
             iter.next();
             fail("Expected NoSuchElementException.");
-        } catch (NoSuchElementException nsee) { /* Success case */
+        } catch (final NoSuchElementException nsee) { /* Success case */
         }
     }
 
@@ -213,13 +213,13 @@ public class BoundedIteratorTest<E> extends AbstractIteratorTest<E> {
      */
     @Test
     public void testRemoveWithoutCallingNext() {
-        List<E> testListCopy = new ArrayList<>(testList);
-        Iterator<E> iter = new BoundedIterator<>(testListCopy.iterator(), 1, 5);
+        final List<E> testListCopy = new ArrayList<>(testList);
+        final Iterator<E> iter = new BoundedIterator<>(testListCopy.iterator(), 1, 5);
 
         try {
             iter.remove();
             fail("Expected IllegalStateException.");
-        } catch (IllegalStateException ise) { /* Success case */
+        } catch (final IllegalStateException ise) { /* Success case */
         }
     }
 
@@ -229,8 +229,8 @@ public class BoundedIteratorTest<E> extends AbstractIteratorTest<E> {
      */
     @Test
     public void testRemoveCalledTwice() {
-        List<E> testListCopy = new ArrayList<>(testList);
-        Iterator<E> iter = new BoundedIterator<>(testListCopy.iterator(), 1, 5);
+        final List<E> testListCopy = new ArrayList<>(testList);
+        final Iterator<E> iter = new BoundedIterator<>(testListCopy.iterator(), 1, 5);
 
         assertTrue(iter.hasNext());
         assertEquals("b", iter.next());
@@ -239,7 +239,7 @@ public class BoundedIteratorTest<E> extends AbstractIteratorTest<E> {
         try {
             iter.remove();
             fail("Expected IllegalStateException.");
-        } catch (IllegalStateException ise) { /* Success case */
+        } catch (final IllegalStateException ise) { /* Success case */
         }
     }
 
@@ -249,8 +249,8 @@ public class BoundedIteratorTest<E> extends AbstractIteratorTest<E> {
      */
     @Test
     public void testRemoveFirst() {
-        List<E> testListCopy = new ArrayList<>(testList);
-        Iterator<E> iter = new BoundedIterator<>(testListCopy.iterator(), 1, 5);
+        final List<E> testListCopy = new ArrayList<>(testList);
+        final Iterator<E> iter = new BoundedIterator<>(testListCopy.iterator(), 1, 5);
 
         assertTrue(iter.hasNext());
         assertEquals("b", iter.next());
@@ -271,7 +271,7 @@ public class BoundedIteratorTest<E> extends AbstractIteratorTest<E> {
         try {
             iter.next();
             fail("Expected NoSuchElementException.");
-        } catch (NoSuchElementException nsee) { /* Success case */
+        } catch (final NoSuchElementException nsee) { /* Success case */
         }
     }
 
@@ -281,8 +281,8 @@ public class BoundedIteratorTest<E> extends AbstractIteratorTest<E> {
      */
     @Test
     public void testRemoveMiddle() {
-        List<E> testListCopy = new ArrayList<>(testList);
-        Iterator<E> iter = new BoundedIterator<>(testListCopy.iterator(), 1, 5);
+        final List<E> testListCopy = new ArrayList<>(testList);
+        final Iterator<E> iter = new BoundedIterator<>(testListCopy.iterator(), 1, 5);
 
         assertTrue(iter.hasNext());
         assertEquals("b", iter.next());
@@ -303,7 +303,7 @@ public class BoundedIteratorTest<E> extends AbstractIteratorTest<E> {
         try {
             iter.next();
             fail("Expected NoSuchElementException.");
-        } catch (NoSuchElementException nsee) { /* Success case */
+        } catch (final NoSuchElementException nsee) { /* Success case */
         }
     }
 
@@ -313,8 +313,8 @@ public class BoundedIteratorTest<E> extends AbstractIteratorTest<E> {
      */
     @Test
     public void testRemoveLast() {
-        List<E> testListCopy = new ArrayList<>(testList);
-        Iterator<E> iter = new BoundedIterator<>(testListCopy.iterator(), 1, 5);
+        final List<E> testListCopy = new ArrayList<>(testList);
+        final Iterator<E> iter = new BoundedIterator<>(testListCopy.iterator(), 1, 5);
 
         assertTrue(iter.hasNext());
         assertEquals("b", iter.next());
@@ -331,7 +331,7 @@ public class BoundedIteratorTest<E> extends AbstractIteratorTest<E> {
         try {
             iter.next();
             fail("Expected NoSuchElementException.");
-        } catch (NoSuchElementException nsee) { /* Success case */
+        } catch (final NoSuchElementException nsee) { /* Success case */
         }
 
         iter.remove();
@@ -341,7 +341,7 @@ public class BoundedIteratorTest<E> extends AbstractIteratorTest<E> {
         try {
             iter.next();
             fail("Expected NoSuchElementException.");
-        } catch (NoSuchElementException nsee) { /* Success case */
+        } catch (final NoSuchElementException nsee) { /* Success case */
         }
     }
 
@@ -351,20 +351,20 @@ public class BoundedIteratorTest<E> extends AbstractIteratorTest<E> {
      */
     @Test
     public void testRemoveUnsupported() {
-        Iterator<E> mockIterator = new AbstractIteratorDecorator<E>(testList.iterator()) {
+        final Iterator<E> mockIterator = new AbstractIteratorDecorator<E>(testList.iterator()) {
             @Override
             public void remove() {
                 throw new UnsupportedOperationException();
             }
         };
 
-        Iterator<E> iter = new BoundedIterator<>(mockIterator, 1, 5);
+        final Iterator<E> iter = new BoundedIterator<>(mockIterator, 1, 5);
         assertTrue(iter.hasNext());
         assertEquals("b", iter.next());
         try {
             iter.remove();
             fail("Expected UnsupportedOperationException.");
-        } catch (UnsupportedOperationException usoe) { /* Success case */
+        } catch (final UnsupportedOperationException usoe) { /* Success case */
         }
     }
 }

http://git-wip-us.apache.org/repos/asf/commons-collections/blob/059c468f/src/test/java/org/apache/commons/collections4/iterators/IteratorEnumerationTest.java
----------------------------------------------------------------------
diff --git a/src/test/java/org/apache/commons/collections4/iterators/IteratorEnumerationTest.java b/src/test/java/org/apache/commons/collections4/iterators/IteratorEnumerationTest.java
index 7c24463..436dfb7 100644
--- a/src/test/java/org/apache/commons/collections4/iterators/IteratorEnumerationTest.java
+++ b/src/test/java/org/apache/commons/collections4/iterators/IteratorEnumerationTest.java
@@ -30,8 +30,8 @@ import junit.framework.TestCase;
 public class IteratorEnumerationTest extends TestCase {
 
     public void testEnumeration() {
-        Iterator<String> iterator = Arrays.asList("a", "b", "c").iterator();
-        IteratorEnumeration<String> enumeration = new IteratorEnumeration<>(iterator);
+        final Iterator<String> iterator = Arrays.asList("a", "b", "c").iterator();
+        final IteratorEnumeration<String> enumeration = new IteratorEnumeration<>(iterator);
 
         assertEquals(iterator, enumeration.getIterator());
 
@@ -44,7 +44,7 @@ public class IteratorEnumerationTest extends TestCase {
         try {
             enumeration.nextElement();
             fail("NoSuchElementException expected");
-        } catch (NoSuchElementException e) {
+        } catch (final NoSuchElementException e) {
             // expected
         }
     }

http://git-wip-us.apache.org/repos/asf/commons-collections/blob/059c468f/src/test/java/org/apache/commons/collections4/iterators/PeekingIteratorTest.java
----------------------------------------------------------------------
diff --git a/src/test/java/org/apache/commons/collections4/iterators/PeekingIteratorTest.java b/src/test/java/org/apache/commons/collections4/iterators/PeekingIteratorTest.java
index 85a5f15..66be1d8 100644
--- a/src/test/java/org/apache/commons/collections4/iterators/PeekingIteratorTest.java
+++ b/src/test/java/org/apache/commons/collections4/iterators/PeekingIteratorTest.java
@@ -70,14 +70,14 @@ public class PeekingIteratorTest<E> extends AbstractIteratorTest<E> {
 
     @Test
     public void testEmpty() {
-        Iterator<E> it = makeEmptyIterator();
+        final Iterator<E> it = makeEmptyIterator();
         assertFalse(it.hasNext());
     }
 
     @Test
     @SuppressWarnings("unchecked")
     public void testSinglePeek() {
-        PeekingIterator<E> it = makeObject();
+        final PeekingIterator<E> it = makeObject();
         assertEquals("a", it.peek());
         assertEquals("a", it.element());
         validate(it, (E[]) testArray);
@@ -85,7 +85,7 @@ public class PeekingIteratorTest<E> extends AbstractIteratorTest<E> {
 
     @Test
     public void testMultiplePeek() {
-        PeekingIterator<E> it = makeObject();
+        final PeekingIterator<E> it = makeObject();
         assertEquals("a", it.peek());
         assertEquals("a", it.peek());
         assertEquals("a", it.next());
@@ -102,7 +102,7 @@ public class PeekingIteratorTest<E> extends AbstractIteratorTest<E> {
 
     @Test
     public void testIteratorExhausted() {
-        PeekingIterator<E> it = makeObject();
+        final PeekingIterator<E> it = makeObject();
         it.next();
         it.next();
         it.next();
@@ -112,14 +112,14 @@ public class PeekingIteratorTest<E> extends AbstractIteratorTest<E> {
         try {
             it.element();
             fail();
-        } catch (NoSuchElementException e) {
+        } catch (final NoSuchElementException e) {
             // expected
         }
     }
 
     @Test
     public void testIllegalRemove() {
-        PeekingIterator<E> it = makeObject();
+        final PeekingIterator<E> it = makeObject();
         it.next();
         it.remove(); // supported
 
@@ -129,13 +129,13 @@ public class PeekingIteratorTest<E> extends AbstractIteratorTest<E> {
         try {
             it.remove();
             fail();
-        } catch (IllegalStateException e) {
+        } catch (final IllegalStateException e) {
             // expected
         }
     }
 
-    private void validate(Iterator<E> iter, E... items) {
-        for (E x : items) {
+    private void validate(final Iterator<E> iter, final E... items) {
+        for (final E x : items) {
             assertTrue(iter.hasNext());
             assertEquals(x, iter.next());
         }