see http://openjdk.java.net/jeps/103

More specifically, add:

  java.util.Arrays
    parallelSort(byte[] a)
    parallelSort(byte[] a, int fromIndex, int toIndex)
    parallelSort(short[] a)
    parallelSort(short[] a, int fromIndex, int toIndex)
    parallelSort(int[] a)
    parallelSort(int[] a, int fromIndex, int toIndex)
    ...