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Posted to commits@commons.apache.org by gg...@apache.org on 2020/08/15 03:05:00 UTC

[commons-io] branch master updated: Remove trailing white spaces. Use final.

This is an automated email from the ASF dual-hosted git repository.

ggregory pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/commons-io.git


The following commit(s) were added to refs/heads/master by this push:
     new 639f71f  Remove trailing white spaces. Use final.
639f71f is described below

commit 639f71fa28dfc985b71bc8a7d8bca977d2e76e3f
Author: Gary Gregory <ga...@gmail.com>
AuthorDate: Fri Aug 14 23:04:49 2020 -0400

    Remove trailing white spaces. Use final.
---
 src/main/java/org/apache/commons/io/Charsets.java  |  2 +-
 src/main/java/org/apache/commons/io/FileUtils.java |  4 +--
 src/main/java/org/apache/commons/io/IOUtils.java   |  6 ++--
 .../commons/io/file/AccumulatorPathVisitor.java    | 12 ++++----
 .../commons/io/file/CopyDirectoryVisitor.java      |  6 ++--
 .../java/org/apache/commons/io/file/Counters.java  | 12 ++++----
 .../commons/io/file/CountingPathVisitor.java       |  4 +--
 .../org/apache/commons/io/function/IOConsumer.java |  4 +--
 .../org/apache/commons/io/function/IOFunction.java | 20 +++++++-------
 .../commons/io/input/CharSequenceReader.java       |  2 +-
 .../commons/io/input/ReversedLinesFileReader.java  |  4 +--
 .../org/apache/commons/io/FileSystemTestCase.java  |  2 +-
 .../org/apache/commons/io/FileUtilsTestCase.java   |  6 ++--
 .../apache/commons/io/IOExceptionListTestCase.java |  6 ++--
 .../org/apache/commons/io/IOUtilsTestCase.java     |  8 +++---
 .../apache/commons/io/LineIteratorTestCase.java    |  8 +++---
 .../apache/commons/io/file/CounterAssertions.java  |  2 +-
 .../commons/io/input/CharSequenceReaderTest.java   |  2 +-
 .../io/input/CharacterFilterReaderTest.java        |  4 +--
 .../ReversedLinesFileReaderTestParamBlockSize.java | 32 +++++++++++-----------
 .../ReversedLinesFileReaderTestParamFile.java      |  2 +-
 .../commons/io/input/SequenceReaderTest.java       |  8 +++---
 .../org/apache/commons/io/input/TailerTest.java    |  2 +-
 .../io/output/DeferredFileOutputStreamTest.java    | 18 ++++++------
 .../io/output/FileWriterWithEncodingTest.java      |  8 +++---
 25 files changed, 92 insertions(+), 92 deletions(-)

diff --git a/src/main/java/org/apache/commons/io/Charsets.java b/src/main/java/org/apache/commons/io/Charsets.java
index 56b572b..ecd408b 100644
--- a/src/main/java/org/apache/commons/io/Charsets.java
+++ b/src/main/java/org/apache/commons/io/Charsets.java
@@ -62,7 +62,7 @@ public class Charsets {
     private static final SortedMap<String, Charset> STANDARD_CHARSET_MAP;
 
     static {
-        SortedMap<String, Charset> standardCharsetMap = new TreeMap<>(String.CASE_INSENSITIVE_ORDER);
+        final SortedMap<String, Charset> standardCharsetMap = new TreeMap<>(String.CASE_INSENSITIVE_ORDER);
         standardCharsetMap.put(StandardCharsets.ISO_8859_1.name(), StandardCharsets.ISO_8859_1);
         standardCharsetMap.put(StandardCharsets.US_ASCII.name(), StandardCharsets.US_ASCII);
         standardCharsetMap.put(StandardCharsets.UTF_16.name(), StandardCharsets.UTF_16);
diff --git a/src/main/java/org/apache/commons/io/FileUtils.java b/src/main/java/org/apache/commons/io/FileUtils.java
index 1d1fbe1..d23ac5c 100644
--- a/src/main/java/org/apache/commons/io/FileUtils.java
+++ b/src/main/java/org/apache/commons/io/FileUtils.java
@@ -1385,7 +1385,7 @@ public class FileUtils {
      * @throws IllegalArgumentException "Negative size" if the file is truncated so that the size is less than the
      * position
      */
-    private static void doCopyFile(final File srcFile, final File destFile, final boolean preserveFileDate, CopyOption... copyOptions)
+    private static void doCopyFile(final File srcFile, final File destFile, final boolean preserveFileDate, final CopyOption... copyOptions)
         throws IOException {
         if (destFile.exists() && destFile.isDirectory()) {
             throw new IOException("Destination '" + destFile + "' exists but is a directory");
@@ -1440,7 +1440,7 @@ public class FileUtils {
         final Counters.PathCounters deleteCounters;
         try {
             deleteCounters = PathUtils.delete(file.toPath());
-        } catch (IOException e) {
+        } catch (final IOException e) {
             throw new IOException("Unable to delete file: " + file, e);
         }
 
diff --git a/src/main/java/org/apache/commons/io/IOUtils.java b/src/main/java/org/apache/commons/io/IOUtils.java
index 118a414..216ee7f 100644
--- a/src/main/java/org/apache/commons/io/IOUtils.java
+++ b/src/main/java/org/apache/commons/io/IOUtils.java
@@ -356,7 +356,7 @@ public class IOUtils {
         if (closeable != null) {
             try {
                 closeable.close();
-            } catch (IOException e) {
+            } catch (final IOException e) {
                 if (consumer != null) {
                     consumer.accept(e);
                 }
@@ -386,7 +386,7 @@ public class IOUtils {
      */
     public static void close(final Closeable... closeables) throws IOException {
         if (closeables != null) {
-            for (Closeable closeable : closeables) {
+            for (final Closeable closeable : closeables) {
                 close(closeable);
             }
         }
@@ -404,7 +404,7 @@ public class IOUtils {
         if (closeable != null) {
             try {
                 closeable.close();
-            } catch (IOException e) {
+            } catch (final IOException e) {
                 if (consumer != null) {
                     consumer.accept(e);
                 }
diff --git a/src/main/java/org/apache/commons/io/file/AccumulatorPathVisitor.java b/src/main/java/org/apache/commons/io/file/AccumulatorPathVisitor.java
index c65232f..2215b2a 100644
--- a/src/main/java/org/apache/commons/io/file/AccumulatorPathVisitor.java
+++ b/src/main/java/org/apache/commons/io/file/AccumulatorPathVisitor.java
@@ -66,12 +66,12 @@ public class AccumulatorPathVisitor extends CountingPathVisitor {
      *
      * @param pathCounter How to count path visits.
      */
-    public AccumulatorPathVisitor(PathCounters pathCounter) {
+    public AccumulatorPathVisitor(final PathCounters pathCounter) {
         super(pathCounter);
     }
 
     @Override
-    public boolean equals(Object obj) {
+    public boolean equals(final Object obj) {
         if (this == obj) {
             return true;
         }
@@ -81,7 +81,7 @@ public class AccumulatorPathVisitor extends CountingPathVisitor {
         if (!(obj instanceof AccumulatorPathVisitor)) {
             return false;
         }
-        AccumulatorPathVisitor other = (AccumulatorPathVisitor) obj;
+        final AccumulatorPathVisitor other = (AccumulatorPathVisitor) obj;
         return Objects.equals(dirList, other.dirList) && Objects.equals(fileList, other.fileList);
     }
 
@@ -120,7 +120,7 @@ public class AccumulatorPathVisitor extends CountingPathVisitor {
      * @param comparator How to sort, null uses default sorting.
      * @return A new list
      */
-    public List<Path> relativizeDirectories(final Path parent, boolean sort, Comparator<? super Path> comparator) {
+    public List<Path> relativizeDirectories(final Path parent, final boolean sort, final Comparator<? super Path> comparator) {
         return PathUtils.relativize(getDirList(), parent, sort, comparator);
     }
 
@@ -133,12 +133,12 @@ public class AccumulatorPathVisitor extends CountingPathVisitor {
      * @param comparator How to sort, null uses default sorting.
      * @return A new list
      */
-    public List<Path> relativizeFiles(final Path parent, boolean sort, Comparator<? super Path> comparator) {
+    public List<Path> relativizeFiles(final Path parent, final boolean sort, final Comparator<? super Path> comparator) {
         return PathUtils.relativize(getFileList(), parent, sort, comparator);
     }
 
     @Override
-    public FileVisitResult visitFile(Path file, BasicFileAttributes attributes) throws IOException {
+    public FileVisitResult visitFile(final Path file, final BasicFileAttributes attributes) throws IOException {
         ((Files.isDirectory(file)) ? dirList : fileList).add(file.normalize());
         return super.visitFile(file, attributes);
     }
diff --git a/src/main/java/org/apache/commons/io/file/CopyDirectoryVisitor.java b/src/main/java/org/apache/commons/io/file/CopyDirectoryVisitor.java
index 8006362..7e46bbb 100644
--- a/src/main/java/org/apache/commons/io/file/CopyDirectoryVisitor.java
+++ b/src/main/java/org/apache/commons/io/file/CopyDirectoryVisitor.java
@@ -69,7 +69,7 @@ public class CopyDirectoryVisitor extends CountingPathVisitor {
 
     /**
      * Gets the copy options.
-     * 
+     *
      * @return the copy options.
      * @since 2.8.0
      */
@@ -79,7 +79,7 @@ public class CopyDirectoryVisitor extends CountingPathVisitor {
 
     /**
      * Gets the source directory.
-     * 
+     *
      * @return the source directory.
      * @since 2.8.0
      */
@@ -89,7 +89,7 @@ public class CopyDirectoryVisitor extends CountingPathVisitor {
 
     /**
      * Gets the target directory.
-     * 
+     *
      * @return the target directory.
      * @since 2.8.0
      */
diff --git a/src/main/java/org/apache/commons/io/file/Counters.java b/src/main/java/org/apache/commons/io/file/Counters.java
index 44329b6..2bb8da1 100644
--- a/src/main/java/org/apache/commons/io/file/Counters.java
+++ b/src/main/java/org/apache/commons/io/file/Counters.java
@@ -52,14 +52,14 @@ public class Counters {
         }
 
         @Override
-        public boolean equals(Object obj) {
+        public boolean equals(final Object obj) {
             if (this == obj) {
                 return true;
             }
             if (!(obj instanceof AbstractPathCounters)) {
                 return false;
             }
-            AbstractPathCounters other = (AbstractPathCounters) obj;
+            final AbstractPathCounters other = (AbstractPathCounters) obj;
             return Objects.equals(byteCounter, other.byteCounter)
                     && Objects.equals(directoryCounter, other.directoryCounter)
                     && Objects.equals(fileCounter, other.fileCounter);
@@ -112,14 +112,14 @@ public class Counters {
         }
 
         @Override
-        public boolean equals(Object obj) {
+        public boolean equals(final Object obj) {
             if (this == obj) {
                 return true;
             }
             if (!(obj instanceof Counter)) {
                 return false;
             }
-            Counter other = (Counter) obj;
+            final Counter other = (Counter) obj;
             return Objects.equals(value, other.getBigInteger());
         }
 
@@ -222,14 +222,14 @@ public class Counters {
         }
 
         @Override
-        public boolean equals(Object obj) {
+        public boolean equals(final Object obj) {
             if (this == obj) {
                 return true;
             }
             if (!(obj instanceof Counter)) {
                 return false;
             }
-            Counter other = (Counter) obj;
+            final Counter other = (Counter) obj;
             return value == other.get();
         }
 
diff --git a/src/main/java/org/apache/commons/io/file/CountingPathVisitor.java b/src/main/java/org/apache/commons/io/file/CountingPathVisitor.java
index cdda3b2..ccd0fb1 100644
--- a/src/main/java/org/apache/commons/io/file/CountingPathVisitor.java
+++ b/src/main/java/org/apache/commons/io/file/CountingPathVisitor.java
@@ -66,14 +66,14 @@ public class CountingPathVisitor extends SimplePathVisitor {
     }
 
     @Override
-    public boolean equals(Object obj) {
+    public boolean equals(final Object obj) {
         if (this == obj) {
             return true;
         }
         if (!(obj instanceof CountingPathVisitor)) {
             return false;
         }
-        CountingPathVisitor other = (CountingPathVisitor) obj;
+        final CountingPathVisitor other = (CountingPathVisitor) obj;
         return Objects.equals(pathCounters, other.pathCounters);
     }
 
diff --git a/src/main/java/org/apache/commons/io/function/IOConsumer.java b/src/main/java/org/apache/commons/io/function/IOConsumer.java
index 8474533..12d4ed9 100644
--- a/src/main/java/org/apache/commons/io/function/IOConsumer.java
+++ b/src/main/java/org/apache/commons/io/function/IOConsumer.java
@@ -48,9 +48,9 @@ public interface IOConsumer<T> {
      *         operation
      * @throws NullPointerException if {@code after} is null
      */
-    default IOConsumer<T> andThen(IOConsumer<? super T> after) {
+    default IOConsumer<T> andThen(final IOConsumer<? super T> after) {
         Objects.requireNonNull(after);
-        return (T t) -> {
+        return (final T t) -> {
             accept(t);
             after.accept(t);
         };
diff --git a/src/main/java/org/apache/commons/io/function/IOFunction.java b/src/main/java/org/apache/commons/io/function/IOFunction.java
index 332e346..7089003 100644
--- a/src/main/java/org/apache/commons/io/function/IOFunction.java
+++ b/src/main/java/org/apache/commons/io/function/IOFunction.java
@@ -60,7 +60,7 @@ public interface IOFunction<T, R> {
      */
     default <V> IOFunction<V, R> compose(final IOFunction<? super V, ? extends T> before) {
         Objects.requireNonNull(before);
-        return (V v) -> apply(before.apply(v));
+        return (final V v) -> apply(before.apply(v));
     }
 
     /**
@@ -80,7 +80,7 @@ public interface IOFunction<T, R> {
      */
     default <V> IOFunction<V, R> compose(final Function<? super V, ? extends T> before) {
         Objects.requireNonNull(before);
-        return (V v) -> apply(before.apply(v));
+        return (final V v) -> apply(before.apply(v));
     }
 
     /**
@@ -134,9 +134,9 @@ public interface IOFunction<T, R> {
      *
      * @see #compose(IOFunction)
      */
-    default <V> IOFunction<T, V> andThen(IOFunction<? super R, ? extends V> after) {
+    default <V> IOFunction<T, V> andThen(final IOFunction<? super R, ? extends V> after) {
         Objects.requireNonNull(after);
-        return (T t) -> after.apply(apply(t));
+        return (final T t) -> after.apply(apply(t));
     }
 
     /**
@@ -154,9 +154,9 @@ public interface IOFunction<T, R> {
      *
      * @see #compose(IOFunction)
      */
-    default <V> IOFunction<T, V> andThen(Function<? super R, ? extends V> after) {
+    default <V> IOFunction<T, V> andThen(final Function<? super R, ? extends V> after) {
         Objects.requireNonNull(after);
-        return (T t) -> after.apply(apply(t));
+        return (final T t) -> after.apply(apply(t));
     }
 
     /**
@@ -172,9 +172,9 @@ public interface IOFunction<T, R> {
      *
      * @see #compose(IOFunction)
      */
-    default IOConsumer<T> andThen(IOConsumer<? super R> after) {
+    default IOConsumer<T> andThen(final IOConsumer<? super R> after) {
         Objects.requireNonNull(after);
-        return (T t) -> after.accept(apply(t));
+        return (final T t) -> after.accept(apply(t));
     }
 
     /**
@@ -190,9 +190,9 @@ public interface IOFunction<T, R> {
      *
      * @see #compose(IOFunction)
      */
-    default IOConsumer<T> andThen(Consumer<? super R> after) {
+    default IOConsumer<T> andThen(final Consumer<? super R> after) {
         Objects.requireNonNull(after);
-        return (T t) -> after.accept(apply(t));
+        return (final T t) -> after.accept(apply(t));
     }
 
     /**
diff --git a/src/main/java/org/apache/commons/io/input/CharSequenceReader.java b/src/main/java/org/apache/commons/io/input/CharSequenceReader.java
index 1c356ba..7a7fcd3 100644
--- a/src/main/java/org/apache/commons/io/input/CharSequenceReader.java
+++ b/src/main/java/org/apache/commons/io/input/CharSequenceReader.java
@@ -298,7 +298,7 @@ public class CharSequenceReader extends Reader implements Serializable {
      */
     @Override
     public String toString() {
-        CharSequence subSequence = charSequence.subSequence(start(), end());
+        final CharSequence subSequence = charSequence.subSequence(start(), end());
         return subSequence.toString();
     }
 }
diff --git a/src/main/java/org/apache/commons/io/input/ReversedLinesFileReader.java b/src/main/java/org/apache/commons/io/input/ReversedLinesFileReader.java
index 881c968..d5f3fdd 100644
--- a/src/main/java/org/apache/commons/io/input/ReversedLinesFileReader.java
+++ b/src/main/java/org/apache/commons/io/input/ReversedLinesFileReader.java
@@ -228,7 +228,7 @@ public class ReversedLinesFileReader implements Closeable {
 
     /**
      * Returns the lines of the file from bottom to top.
-     * 
+     *
      * @return the next line or null if the start of the file is reached
      * @throws IOException  if an I/O error occurs
      */
@@ -268,7 +268,7 @@ public class ReversedLinesFileReader implements Closeable {
      * @throws IOException if an I/O error occurs
      * @since 2.8.0
      */
-    public List<String> readLines(int lineCount) throws IOException {
+    public List<String> readLines(final int lineCount) throws IOException {
         if (lineCount < 0) {
             throw new IllegalArgumentException("lineCount < 0");
         }
diff --git a/src/test/java/org/apache/commons/io/FileSystemTestCase.java b/src/test/java/org/apache/commons/io/FileSystemTestCase.java
index 6325cbf..4a7a7bb 100644
--- a/src/test/java/org/apache/commons/io/FileSystemTestCase.java
+++ b/src/test/java/org/apache/commons/io/FileSystemTestCase.java
@@ -26,7 +26,7 @@ import org.junit.jupiter.api.Test;
 
 public class FileSystemTestCase {
 
-    
+
     @Test
     public void testGetCurrent() {
         if (SystemUtils.IS_OS_WINDOWS) {
diff --git a/src/test/java/org/apache/commons/io/FileUtilsTestCase.java b/src/test/java/org/apache/commons/io/FileUtilsTestCase.java
index 8778b67..e6c0a39 100644
--- a/src/test/java/org/apache/commons/io/FileUtilsTestCase.java
+++ b/src/test/java/org/apache/commons/io/FileUtilsTestCase.java
@@ -1693,7 +1693,7 @@ public class FileUtilsTestCase {
         assertEquals(testFile1Size, destination.length(), "Check Full copy");
         assertEquals(testFile1.lastModified(), destination.lastModified(), "Check last modified date preserved");
 
-        assertThrows(IOException.class, 
+        assertThrows(IOException.class,
             () -> FileUtils.copyFileToDirectory(destination, directory),
             "Should not be able to copy a file into the same directory as itself");
     }
@@ -3088,7 +3088,7 @@ public class FileUtilsTestCase {
         }
     }
 
-    private void backDateFile10Minutes(File testFile) throws IOException {
+    private void backDateFile10Minutes(final File testFile) throws IOException {
         final long mins10 = 1000 * 60 * 10;
         final long lastModified1 = getLastModifiedMillis(testFile);
         assertTrue(setLastModifiedMillis(testFile, lastModified1 - mins10));
@@ -3096,7 +3096,7 @@ public class FileUtilsTestCase {
         assertNotEquals(getLastModifiedMillis(testFile), lastModified1, "Should have changed source date");
     }
 
-    private boolean setLastModifiedMillis(File testFile, final long millis) {
+    private boolean setLastModifiedMillis(final File testFile, final long millis) {
         return testFile.setLastModified(millis);
 //        try {
 //            Files.setLastModifiedTime(testFile.toPath(), FileTime.fromMillis(millis));
diff --git a/src/test/java/org/apache/commons/io/IOExceptionListTestCase.java b/src/test/java/org/apache/commons/io/IOExceptionListTestCase.java
index b016c6e..ebe0b2d 100644
--- a/src/test/java/org/apache/commons/io/IOExceptionListTestCase.java
+++ b/src/test/java/org/apache/commons/io/IOExceptionListTestCase.java
@@ -58,10 +58,10 @@ public class IOExceptionListTestCase {
         final EOFException cause = new EOFException();
         final List<EOFException> list = Collections.singletonList(cause);
         final IOExceptionList sqlExceptionList = new IOExceptionList(list);
-        StringWriter sw = new StringWriter();
-        PrintWriter pw = new PrintWriter(sw);
+        final StringWriter sw = new StringWriter();
+        final PrintWriter pw = new PrintWriter(sw);
         sqlExceptionList.printStackTrace(pw);
-        String st = sw.toString();
+        final String st = sw.toString();
         assertTrue(st.startsWith("org.apache.commons.io.IOExceptionList: 1 exceptions: [java.io.EOFException]"));
         assertTrue(st.contains("Caused by: java.io.EOFException"));
     }
diff --git a/src/test/java/org/apache/commons/io/IOUtilsTestCase.java b/src/test/java/org/apache/commons/io/IOUtilsTestCase.java
index d3449e4..eb67611 100644
--- a/src/test/java/org/apache/commons/io/IOUtilsTestCase.java
+++ b/src/test/java/org/apache/commons/io/IOUtilsTestCase.java
@@ -148,8 +148,8 @@ public class IOUtilsTestCase {
 
     @Test
     public void testCloseMulti() {
-        Closeable nulCloseable = null;
-        Closeable[] closeables = {null, null};
+        final Closeable nulCloseable = null;
+        final Closeable[] closeables = {null, null};
         assertDoesNotThrow(() -> IOUtils.close(nulCloseable, nulCloseable));
         assertDoesNotThrow(() -> IOUtils.close(closeables));
         assertDoesNotThrow(() -> IOUtils.close((Closeable[]) null));
@@ -160,7 +160,7 @@ public class IOUtilsTestCase {
 
     @Test
     public void testCloseConsumer() {
-        Closeable nulCloseable = null;
+        final Closeable nulCloseable = null;
         assertDoesNotThrow(() -> IOUtils.close(nulCloseable, null)); // null consumer
         assertDoesNotThrow(() -> IOUtils.close(new StringReader("s"), null)); // null consumer
         assertDoesNotThrow(() -> IOUtils.close(new ThrowOnCloseReader(new StringReader("s")), null)); // null consumer
@@ -195,7 +195,7 @@ public class IOUtilsTestCase {
         assertDoesNotThrow(() -> {
             IOUtils.closeQuietly((Closeable) () -> {
                 throw new IOException();
-            });    
+            });
         });
     }
 
diff --git a/src/test/java/org/apache/commons/io/LineIteratorTestCase.java b/src/test/java/org/apache/commons/io/LineIteratorTestCase.java
index 6847f9a..4d6dad4 100644
--- a/src/test/java/org/apache/commons/io/LineIteratorTestCase.java
+++ b/src/test/java/org/apache/commons/io/LineIteratorTestCase.java
@@ -57,7 +57,7 @@ public class LineIteratorTestCase {
         } finally {
             try {
                 IOUtils.close(iterator);
-            } catch (IOException ignored) {
+            } catch (final IOException ignored) {
                 // Ignored
             }
         }
@@ -114,7 +114,7 @@ public class LineIteratorTestCase {
         assertThrows(IllegalArgumentException.class, () -> {
             try (
                 LineIterator li = new LineIterator(null);
-            ) { }    
+            ) { }
         });
     }
 
@@ -249,7 +249,7 @@ public class LineIteratorTestCase {
             assertThrows(IllegalStateException.class, () -> {
                 li.hasNext();
             });
-        }    
+        }
     }
 
     @Test
@@ -421,7 +421,7 @@ public class LineIteratorTestCase {
         } finally {
             try {
                 IOUtils.close(iterator);
-            } catch (IOException ignored) {
+            } catch (final IOException ignored) {
                 // Ignored
             }
         }
diff --git a/src/test/java/org/apache/commons/io/file/CounterAssertions.java b/src/test/java/org/apache/commons/io/file/CounterAssertions.java
index 5544e88..ff27231 100644
--- a/src/test/java/org/apache/commons/io/file/CounterAssertions.java
+++ b/src/test/java/org/apache/commons/io/file/CounterAssertions.java
@@ -26,7 +26,7 @@ import org.apache.commons.io.file.Counters.PathCounters;
 
 class CounterAssertions {
 
-    static void assertCounter(final long expected, final Counter actual, String message) {
+    static void assertCounter(final long expected, final Counter actual, final String message) {
         assertEquals(expected, actual.get(), message);
         assertEquals(Long.valueOf(expected), actual.getLong(), message);
         assertEquals(BigInteger.valueOf(expected), actual.getBigInteger(), message);
diff --git a/src/test/java/org/apache/commons/io/input/CharSequenceReaderTest.java b/src/test/java/org/apache/commons/io/input/CharSequenceReaderTest.java
index bc88578..2afabe9 100644
--- a/src/test/java/org/apache/commons/io/input/CharSequenceReaderTest.java
+++ b/src/test/java/org/apache/commons/io/input/CharSequenceReaderTest.java
@@ -285,7 +285,7 @@ public class CharSequenceReaderTest {
             assertEquals(-1, reader.read());
         }
 
-        ByteArrayOutputStream baos = new ByteArrayOutputStream();
+        final ByteArrayOutputStream baos = new ByteArrayOutputStream();
         try (ObjectOutputStream oos = new ObjectOutputStream(baos)) {
             final CharSequenceReader reader = new CharSequenceReader("xFooBarx", 1, 7);
             oos.writeObject(reader);
diff --git a/src/test/java/org/apache/commons/io/input/CharacterFilterReaderTest.java b/src/test/java/org/apache/commons/io/input/CharacterFilterReaderTest.java
index 42de02e..80a4f45 100644
--- a/src/test/java/org/apache/commons/io/input/CharacterFilterReaderTest.java
+++ b/src/test/java/org/apache/commons/io/input/CharacterFilterReaderTest.java
@@ -76,8 +76,8 @@ public class CharacterFilterReaderTest {
     public void testReadIntoBuffer() throws IOException {
         final StringReader input = new StringReader("ababcabcd");
         try (CharacterFilterReader reader = new CharacterFilterReader(input, 'b')) {
-            char[] buff = new char[9];
-            int charCount = reader.read(buff);
+            final char[] buff = new char[9];
+            final int charCount = reader.read(buff);
             assertEquals(6, charCount);
             assertEquals("aacacd", new String(buff, 0, charCount));
         }
diff --git a/src/test/java/org/apache/commons/io/input/ReversedLinesFileReaderTestParamBlockSize.java b/src/test/java/org/apache/commons/io/input/ReversedLinesFileReaderTestParamBlockSize.java
index 823f0d3..fd84598 100644
--- a/src/test/java/org/apache/commons/io/input/ReversedLinesFileReaderTestParamBlockSize.java
+++ b/src/test/java/org/apache/commons/io/input/ReversedLinesFileReaderTestParamBlockSize.java
@@ -79,7 +79,7 @@ public class ReversedLinesFileReaderTestParamBlockSize {
 
     @ParameterizedTest(name = "BlockSize={0}")
     @MethodSource("blockSizes")
-    public void testIsoFileDefaults(int testParamBlockSize) throws URISyntaxException, IOException {
+    public void testIsoFileDefaults(final int testParamBlockSize) throws URISyntaxException, IOException {
         final File testFileIso = new File(this.getClass().getResource("/test-file-iso8859-1.bin").toURI());
         reversedLinesFileReader = new ReversedLinesFileReader(testFileIso, testParamBlockSize, ISO_8859_1);
         assertFileWithShrinkingTestLines(reversedLinesFileReader);
@@ -87,7 +87,7 @@ public class ReversedLinesFileReaderTestParamBlockSize {
 
     @ParameterizedTest(name = "BlockSize={0}")
     @MethodSource("blockSizes")
-    public void testUTF8FileWindowsBreaks(int testParamBlockSize) throws URISyntaxException, IOException {
+    public void testUTF8FileWindowsBreaks(final int testParamBlockSize) throws URISyntaxException, IOException {
         final File testFileIso = new File(this.getClass().getResource("/test-file-utf8-win-linebr.bin").toURI());
         reversedLinesFileReader = new ReversedLinesFileReader(testFileIso, testParamBlockSize, UTF_8);
         assertFileWithShrinkingTestLines(reversedLinesFileReader);
@@ -95,7 +95,7 @@ public class ReversedLinesFileReaderTestParamBlockSize {
 
     @ParameterizedTest(name = "BlockSize={0}")
     @MethodSource("blockSizes")
-    public void testUTF8FileCRBreaks(int testParamBlockSize) throws URISyntaxException, IOException {
+    public void testUTF8FileCRBreaks(final int testParamBlockSize) throws URISyntaxException, IOException {
         final File testFileIso = new File(this.getClass().getResource("/test-file-utf8-cr-only.bin").toURI());
         reversedLinesFileReader = new ReversedLinesFileReader(testFileIso, testParamBlockSize, UTF_8);
         assertFileWithShrinkingTestLines(reversedLinesFileReader);
@@ -103,7 +103,7 @@ public class ReversedLinesFileReaderTestParamBlockSize {
 
     @ParameterizedTest(name = "BlockSize={0}")
     @MethodSource("blockSizes")
-    public void testUTF8File(int testParamBlockSize) throws URISyntaxException, IOException {
+    public void testUTF8File(final int testParamBlockSize) throws URISyntaxException, IOException {
         final File testFileIso = new File(this.getClass().getResource("/test-file-utf8.bin").toURI());
         reversedLinesFileReader = new ReversedLinesFileReader(testFileIso, testParamBlockSize, UTF_8);
         assertFileWithShrinkingTestLines(reversedLinesFileReader);
@@ -111,7 +111,7 @@ public class ReversedLinesFileReaderTestParamBlockSize {
 
     @ParameterizedTest(name = "BlockSize={0}")
     @MethodSource("blockSizes")
-    public void testEmptyFile(int testParamBlockSize) throws URISyntaxException, IOException {
+    public void testEmptyFile(final int testParamBlockSize) throws URISyntaxException, IOException {
         final File testFileEmpty = new File(this.getClass().getResource("/test-file-empty.bin").toURI());
         reversedLinesFileReader = new ReversedLinesFileReader(testFileEmpty, testParamBlockSize, UTF_8);
         assertNull(reversedLinesFileReader.readLine());
@@ -119,7 +119,7 @@ public class ReversedLinesFileReaderTestParamBlockSize {
 
     @ParameterizedTest(name = "BlockSize={0}")
     @MethodSource("blockSizes")
-    public void testUTF16BEFile(int testParamBlockSize) throws URISyntaxException, IOException {
+    public void testUTF16BEFile(final int testParamBlockSize) throws URISyntaxException, IOException {
         final File testFileUTF16BE = new File(this.getClass().getResource("/test-file-utf16be.bin").toURI());
         reversedLinesFileReader = new ReversedLinesFileReader(testFileUTF16BE, testParamBlockSize, "UTF-16BE");
         assertFileWithShrinkingTestLines(reversedLinesFileReader);
@@ -127,7 +127,7 @@ public class ReversedLinesFileReaderTestParamBlockSize {
 
     @ParameterizedTest(name = "BlockSize={0}")
     @MethodSource("blockSizes")
-    public void testUTF16LEFile(int testParamBlockSize) throws URISyntaxException, IOException {
+    public void testUTF16LEFile(final int testParamBlockSize) throws URISyntaxException, IOException {
         final File testFileUTF16LE = new File(this.getClass().getResource("/test-file-utf16le.bin").toURI());
         reversedLinesFileReader = new ReversedLinesFileReader(testFileUTF16LE, testParamBlockSize, "UTF-16LE");
         assertFileWithShrinkingTestLines(reversedLinesFileReader);
@@ -135,7 +135,7 @@ public class ReversedLinesFileReaderTestParamBlockSize {
 
     @ParameterizedTest(name = "BlockSize={0}")
     @MethodSource("blockSizes")
-    public void testShiftJISFile(int testParamBlockSize) throws URISyntaxException, IOException {
+    public void testShiftJISFile(final int testParamBlockSize) throws URISyntaxException, IOException {
         final File testFileShiftJIS = new File(this.getClass().getResource("/test-file-shiftjis.bin").toURI());
         reversedLinesFileReader = new ReversedLinesFileReader(testFileShiftJIS, testParamBlockSize, "Shift_JIS");
         assertEqualsAndNoLineBreaks(TEST_LINE_SHIFT_JIS2, reversedLinesFileReader.readLine());
@@ -144,7 +144,7 @@ public class ReversedLinesFileReaderTestParamBlockSize {
 
     @ParameterizedTest(name = "BlockSize={0}")
     @MethodSource("blockSizes")
-    public void testWindows31jFile(int testParamBlockSize) throws URISyntaxException, IOException {
+    public void testWindows31jFile(final int testParamBlockSize) throws URISyntaxException, IOException {
         final File testFileWindows31J = new File(this.getClass().getResource("/test-file-windows-31j.bin").toURI());
         reversedLinesFileReader = new ReversedLinesFileReader(testFileWindows31J, testParamBlockSize, "windows-31j");
         assertEqualsAndNoLineBreaks(TEST_LINE_WINDOWS_31J_2, reversedLinesFileReader.readLine());
@@ -153,7 +153,7 @@ public class ReversedLinesFileReaderTestParamBlockSize {
 
     @ParameterizedTest(name = "BlockSize={0}")
     @MethodSource("blockSizes")
-    public void testGBK(int testParamBlockSize) throws URISyntaxException, IOException {
+    public void testGBK(final int testParamBlockSize) throws URISyntaxException, IOException {
         final File testFileGBK = new File(this.getClass().getResource("/test-file-gbk.bin").toURI());
         reversedLinesFileReader = new ReversedLinesFileReader(testFileGBK, testParamBlockSize, "GBK");
         assertEqualsAndNoLineBreaks(TEST_LINE_GBK_2, reversedLinesFileReader.readLine());
@@ -162,7 +162,7 @@ public class ReversedLinesFileReaderTestParamBlockSize {
 
     @ParameterizedTest(name = "BlockSize={0}")
     @MethodSource("blockSizes")
-    public void testxWindows949File(int testParamBlockSize) throws URISyntaxException, IOException {
+    public void testxWindows949File(final int testParamBlockSize) throws URISyntaxException, IOException {
         final File testFilexWindows949 = new File(this.getClass().getResource("/test-file-x-windows-949.bin").toURI());
         reversedLinesFileReader = new ReversedLinesFileReader(testFilexWindows949, testParamBlockSize, "x-windows-949");
         assertEqualsAndNoLineBreaks(TEST_LINE_X_WINDOWS_949_2, reversedLinesFileReader.readLine());
@@ -171,7 +171,7 @@ public class ReversedLinesFileReaderTestParamBlockSize {
 
     @ParameterizedTest(name = "BlockSize={0}")
     @MethodSource("blockSizes")
-    public void testxWindows950File(int testParamBlockSize) throws URISyntaxException, IOException {
+    public void testxWindows950File(final int testParamBlockSize) throws URISyntaxException, IOException {
         final File testFilexWindows950 = new File(this.getClass().getResource("/test-file-x-windows-950.bin").toURI());
         reversedLinesFileReader = new ReversedLinesFileReader(testFilexWindows950, testParamBlockSize, "x-windows-950");
         assertEqualsAndNoLineBreaks(TEST_LINE_X_WINDOWS_950_2, reversedLinesFileReader.readLine());
@@ -189,7 +189,7 @@ public class ReversedLinesFileReaderTestParamBlockSize {
 
     @ParameterizedTest(name = "BlockSize={0}")
     @MethodSource("blockSizes")
-    public void testUTF8FileWindowsBreaksSmallBlockSize2VerifyBlockSpanningNewLines(int testParamBlockSize) throws URISyntaxException, IOException {
+    public void testUTF8FileWindowsBreaksSmallBlockSize2VerifyBlockSpanningNewLines(final int testParamBlockSize) throws URISyntaxException, IOException {
         final File testFileUtf8 = new File(this.getClass().getResource("/test-file-utf8-win-linebr.bin").toURI());
         reversedLinesFileReader = new ReversedLinesFileReader(testFileUtf8, testParamBlockSize, UTF_8);
         assertFileWithShrinkingTestLines(reversedLinesFileReader);
@@ -197,7 +197,7 @@ public class ReversedLinesFileReaderTestParamBlockSize {
 
     @ParameterizedTest(name = "BlockSize={0}")
     @MethodSource("blockSizes")
-    public void testIsoFileManyWindowsBreaksSmallBlockSize2VerifyBlockSpanningNewLines(int testParamBlockSize) throws URISyntaxException, IOException {
+    public void testIsoFileManyWindowsBreaksSmallBlockSize2VerifyBlockSpanningNewLines(final int testParamBlockSize) throws URISyntaxException, IOException {
         final File testFileIso = new File(this.getClass().getResource("/test-file-iso8859-1-shortlines-win-linebr.bin").toURI());
         reversedLinesFileReader = new ReversedLinesFileReader(testFileIso, testParamBlockSize, ISO_8859_1);
 
@@ -211,7 +211,7 @@ public class ReversedLinesFileReaderTestParamBlockSize {
 
     @ParameterizedTest(name = "BlockSize={0}")
     @MethodSource("blockSizes")
-    public void testUnsupportedEncodingUTF16(int testParamBlockSize) throws URISyntaxException {
+    public void testUnsupportedEncodingUTF16(final int testParamBlockSize) throws URISyntaxException {
         final File testFileEmpty = new File(this.getClass().getResource("/test-file-empty.bin").toURI());
         assertThrows(UnsupportedEncodingException.class,
                 () -> new ReversedLinesFileReader(testFileEmpty, testParamBlockSize, "UTF-16").close());
@@ -219,7 +219,7 @@ public class ReversedLinesFileReaderTestParamBlockSize {
 
     @ParameterizedTest(name = "BlockSize={0}")
     @MethodSource("blockSizes")
-    public void testUnsupportedEncodingBig5(int testParamBlockSize) throws URISyntaxException {
+    public void testUnsupportedEncodingBig5(final int testParamBlockSize) throws URISyntaxException {
         final File testFileEncodingBig5 = new File(this.getClass().getResource("/test-file-empty.bin").toURI());
         assertThrows(UnsupportedEncodingException.class,
                 () -> new ReversedLinesFileReader(testFileEncodingBig5, testParamBlockSize, "Big5").close());
diff --git a/src/test/java/org/apache/commons/io/input/ReversedLinesFileReaderTestParamFile.java b/src/test/java/org/apache/commons/io/input/ReversedLinesFileReaderTestParamFile.java
index b770a38..57a925d 100644
--- a/src/test/java/org/apache/commons/io/input/ReversedLinesFileReaderTestParamFile.java
+++ b/src/test/java/org/apache/commons/io/input/ReversedLinesFileReaderTestParamFile.java
@@ -72,7 +72,7 @@ public class ReversedLinesFileReaderTestParamFile {
             file = Files.copy(file, fileSystem.getPath("/" + fileName));
         }
 
-        Charset encoding = Charset.forName(encodingName);
+        final Charset encoding = Charset.forName(encodingName);
         try (ReversedLinesFileReader reversedLinesFileReader = blockSize == null
             ? new ReversedLinesFileReader(file, encoding)
             : new ReversedLinesFileReader(file, blockSize, encoding)) {
diff --git a/src/test/java/org/apache/commons/io/input/SequenceReaderTest.java b/src/test/java/org/apache/commons/io/input/SequenceReaderTest.java
index 7a73a34..041b03b 100644
--- a/src/test/java/org/apache/commons/io/input/SequenceReaderTest.java
+++ b/src/test/java/org/apache/commons/io/input/SequenceReaderTest.java
@@ -124,7 +124,7 @@ public class SequenceReaderTest {
 
     @Test
     public void testReadCollection() throws IOException {
-        Collection<Reader> readers = new ArrayList<>();
+        final Collection<Reader> readers = new ArrayList<>();
         readers.add(new StringReader("F"));
         readers.add(new StringReader("B"));
         try (final Reader reader = new SequenceReader(readers)) {
@@ -136,10 +136,10 @@ public class SequenceReaderTest {
 
     @Test
     public void testReadIterable() throws IOException {
-        Collection<Reader> readers = new ArrayList<>();
+        final Collection<Reader> readers = new ArrayList<>();
         readers.add(new StringReader("F"));
         readers.add(new StringReader("B"));
-        Iterable<Reader> iterable = readers;
+        final Iterable<Reader> iterable = readers;
         try (final Reader reader = new SequenceReader(iterable)) {
             assertEquals('F', reader.read());
             assertEquals('B', reader.read());
@@ -173,7 +173,7 @@ public class SequenceReaderTest {
 
     @Test
     public void testReadList() throws IOException {
-        List<Reader> readers = new ArrayList<>();
+        final List<Reader> readers = new ArrayList<>();
         readers.add(new StringReader("F"));
         readers.add(new StringReader("B"));
         try (final Reader reader = new SequenceReader(readers)) {
diff --git a/src/test/java/org/apache/commons/io/input/TailerTest.java b/src/test/java/org/apache/commons/io/input/TailerTest.java
index 9ad67fd..a77ef48 100644
--- a/src/test/java/org/apache/commons/io/input/TailerTest.java
+++ b/src/test/java/org/apache/commons/io/input/TailerTest.java
@@ -318,7 +318,7 @@ public class TailerTest {
         } finally {
             try {
                 IOUtils.close(reader);
-            } catch (IOException ignored) {
+            } catch (final IOException ignored) {
                 // ignored
             }
         }
diff --git a/src/test/java/org/apache/commons/io/output/DeferredFileOutputStreamTest.java b/src/test/java/org/apache/commons/io/output/DeferredFileOutputStreamTest.java
index 178423e..2353bf4 100644
--- a/src/test/java/org/apache/commons/io/output/DeferredFileOutputStreamTest.java
+++ b/src/test/java/org/apache/commons/io/output/DeferredFileOutputStreamTest.java
@@ -59,7 +59,7 @@ public class DeferredFileOutputStreamTest {
      */
     @ParameterizedTest(name = "initialBufferSize = {0}")
     @MethodSource("data")
-    public void testBelowThreshold(int initialBufferSize) {
+    public void testBelowThreshold(final int initialBufferSize) {
         final DeferredFileOutputStream dfos = new DeferredFileOutputStream(testBytes.length + 42, initialBufferSize,
             null);
         try {
@@ -81,7 +81,7 @@ public class DeferredFileOutputStreamTest {
      */
     @ParameterizedTest(name = "initialBufferSize = {0}")
     @MethodSource("data")
-    public void testAtThreshold(int initialBufferSize) {
+    public void testAtThreshold(final int initialBufferSize) {
         final DeferredFileOutputStream dfos = new DeferredFileOutputStream(testBytes.length, initialBufferSize, null);
         try {
             dfos.write(testBytes, 0, testBytes.length);
@@ -102,7 +102,7 @@ public class DeferredFileOutputStreamTest {
      */
     @ParameterizedTest(name = "initialBufferSize = {0}")
     @MethodSource("data")
-    public void testAboveThreshold(int initialBufferSize) {
+    public void testAboveThreshold(final int initialBufferSize) {
         final File testFile = new File("testAboveThreshold.dat");
 
         // Ensure that the test starts from a clean base.
@@ -131,7 +131,7 @@ public class DeferredFileOutputStreamTest {
      */
     @ParameterizedTest(name = "initialBufferSize = {0}")
     @MethodSource("data")
-    public void testThresholdReached(int initialBufferSize) {
+    public void testThresholdReached(final int initialBufferSize) {
         final File testFile = new File("testThresholdReached.dat");
 
         // Ensure that the test starts from a clean base.
@@ -163,7 +163,7 @@ public class DeferredFileOutputStreamTest {
      */
     @ParameterizedTest(name = "initialBufferSize = {0}")
     @MethodSource("data")
-    public void testWriteToSmall(int initialBufferSize) {
+    public void testWriteToSmall(final int initialBufferSize) {
         final File testFile = new File("testWriteToMem.dat");
         final ByteArrayOutputStream baos = new ByteArrayOutputStream(initialBufferSize);
         // Ensure that the test starts from a clean base.
@@ -200,7 +200,7 @@ public class DeferredFileOutputStreamTest {
      */
     @ParameterizedTest(name = "initialBufferSize = {0}")
     @MethodSource("data")
-    public void testWriteToLarge(int initialBufferSize) {
+    public void testWriteToLarge(final int initialBufferSize) {
         final File testFile = new File("testWriteToFile.dat");
         final ByteArrayOutputStream baos = new ByteArrayOutputStream(initialBufferSize);
         // Ensure that the test starts from a clean base.
@@ -236,7 +236,7 @@ public class DeferredFileOutputStreamTest {
      */
     @ParameterizedTest(name = "initialBufferSize = {0}")
     @MethodSource("data")
-    public void testTempFileBelowThreshold(int initialBufferSize) {
+    public void testTempFileBelowThreshold(final int initialBufferSize) {
 
         final String prefix = "commons-io-test";
         final String suffix = ".out";
@@ -259,7 +259,7 @@ public class DeferredFileOutputStreamTest {
      */
     @ParameterizedTest(name = "initialBufferSize = {0}")
     @MethodSource("data")
-    public void testTempFileAboveThreshold(int initialBufferSize) {
+    public void testTempFileAboveThreshold(final int initialBufferSize) {
 
         final String prefix = "commons-io-test";
         final String suffix = ".out";
@@ -292,7 +292,7 @@ public class DeferredFileOutputStreamTest {
      */
     @ParameterizedTest(name = "initialBufferSize = {0}")
     @MethodSource("data")
-    public void testTempFileAboveThresholdPrefixOnly(int initialBufferSize) {
+    public void testTempFileAboveThresholdPrefixOnly(final int initialBufferSize) {
 
         final String prefix = "commons-io-test";
         final String suffix = null;
diff --git a/src/test/java/org/apache/commons/io/output/FileWriterWithEncodingTest.java b/src/test/java/org/apache/commons/io/output/FileWriterWithEncodingTest.java
index 5a1d2e5..50b6b40 100644
--- a/src/test/java/org/apache/commons/io/output/FileWriterWithEncodingTest.java
+++ b/src/test/java/org/apache/commons/io/output/FileWriterWithEncodingTest.java
@@ -174,7 +174,7 @@ public class FileWriterWithEncodingTest {
         assertThrows(IOException.class, () -> {
             try (
                 Writer writer = new FileWriterWithEncoding(file1, "BAD-ENCODE");
-            ){ }    
+            ){ }
          });
         assertFalse(file1.exists());
     }
@@ -185,7 +185,7 @@ public class FileWriterWithEncodingTest {
         assertThrows(IOException.class, () -> {
             try (
                 Writer writer = new FileWriterWithEncoding(temporaryFolder, defaultEncoding);
-            ){ }    
+            ){ }
          });
         assertFalse(file1.exists());
     }
@@ -196,7 +196,7 @@ public class FileWriterWithEncodingTest {
         assertThrows(NullPointerException.class, () -> {
             try (
                 Writer writer = new FileWriterWithEncoding((File) null, defaultEncoding);
-            ){ }    
+            ){ }
          });
         assertFalse(file1.exists());
     }
@@ -207,7 +207,7 @@ public class FileWriterWithEncodingTest {
         assertThrows(NullPointerException.class, () -> {
             try (
                 Writer writer = new FileWriterWithEncoding((String) null, defaultEncoding);
-            ){ }    
+            ){ }
          });
         assertFalse(file1.exists());
     }