checkstyle

src/main/java/org/apache/commons/io/IOUtils.java

@@ -3828,7 +3828,7 @@ public static void writeLines(final Collection<?> lines, final String lineEnding
      * Writes the {@link #toString()} value of each item in a collection to
      * an {@link OutputStream} line by line, using the specified character
      * encoding and the specified line ending.
-     * 
+     *
      * UTF-16 is written big-endian with no byte order mark.
      * For little endian, use UTF-16LE. For a BOM, write it to the stream
      * before calling this method.

src/test/java/org/apache/commons/io/IOUtilsTest.java

@@ -1763,10 +1763,10 @@ public void testWriteLittleString() throws IOException {
 
     @Test
     public void testWriteLines() throws IOException {
-        String[] data = {"The", "quick"};
-        ByteArrayOutputStream out = new ByteArrayOutputStream();
+        final String[] data = {"The", "quick"};
+        final ByteArrayOutputStream out = new ByteArrayOutputStream();
         IOUtils.writeLines(Arrays.asList(data), "\n", out, "UTF-16");
-        String result = new String(out.toByteArray(), StandardCharsets.UTF_16);
+        final String result = new String(out.toByteArray(), StandardCharsets.UTF_16);
         assertEquals("The\nquick\n", result);
     }