8245658: Arrays.java has two occurrences of bad unicode constants in …

…Javadoc

This patch fixes two instances of bad unicode formatting in the javadoc for Arrays.java where the null character constant was incorrectly specified.

Reviewed-by: jlaskey, lancea, prappo, dfuchs

src/java.base/share/classes/java/util/Arrays.java

@@ -3616,7 +3616,7 @@ public static long[] copyOf(long[] original, int newLength) {
      * so the copy has the specified length.  For all indices that are valid
      * in both the original array and the copy, the two arrays will contain
      * identical values.  For any indices that are valid in the copy but not
-     * the original, the copy will contain {@code '\\u000'}.  Such indices
+     * the original, the copy will contain {@code '\u005cu0000'}.  Such indices
      * will exist if and only if the specified length is greater than that of
      * the original array.
      *
@@ -3942,7 +3942,7 @@ public static long[] copyOfRange(long[] original, int from, int to) {
      * subsequent elements in the copy.  The final index of the range
      * ({@code to}), which must be greater than or equal to {@code from},
      * may be greater than {@code original.length}, in which case
-     * {@code '\\u000'} is placed in all elements of the copy whose index is
+     * {@code '\u005cu0000'} is placed in all elements of the copy whose index is
      * greater than or equal to {@code original.length - from}.  The length
      * of the returned array will be {@code to - from}.
      *