pure interface of class java.util.Arrays

public class Arrays
{
    public static void sort(long[] a);
    public static void sort(int[] a);
    public static void sort(short[] a);
    public static void sort(char[] a);
    public static void sort(byte[] a);
    public static void sort(double[] a);
    public static void sort(float[] a);
    public static <A> void sort(A[] a);
    public static <A> void sort(A[] a,
                                Comparator<A> c);
    public static int binarySearch(long[] a,
                                   long key);
    public static int binarySearch(int[] a,
                                   int key);
    public static int binarySearch(short[] a,
                                   short key);
    public static int binarySearch(char[] a,
                                   char key);
    public static int binarySearch(byte[] a,
                                   byte key);
    public static int binarySearch(double[] a,
                                   double key);
    public static int binarySearch(float[] a,
                                   float key);
    public static <A> int binarySearch(A[] a,
                                       A key);
    public static <A> int binarySearch(A[] a,
                                       A key,
                                       Comparator<A> c);
    public static boolean equals(long[] a,
                                 Object o);
    public static boolean equals(int[] a,
                                 Object o);
    public static boolean equals(short[] a,
                                 Object o);
    public static boolean equals(char[] a,
                                 Object o);
    public static boolean equals(byte[] a,
                                 Object o);
    public static boolean equals(boolean[] a,
                                 Object o);
    public static boolean equals(double[] a,
                                 Object o);
    public static boolean equals(float[] a,
                                 Object o);
    public static <A> boolean equals(A[] a,
                                     Object o);
    public static void fill(long[] a,
                            long val);
    public static void fill(int[] a,
                            int val);
    public static void fill(short[] a,
                            short val);
    public static void fill(char[] a,
                            char val);
    public static void fill(byte[] a,
                            byte val);
    public static void fill(boolean[] a,
                            boolean val);
    public static void fill(double[] a,
                            double val);
    public static void fill(float[] a,
                            float val);
    public static <A> void fill(A[] a,
                                A val);
    public static <A> List<A> toList(A[] a);
    private static class ArrayList<A>
      extends AbstractList<A>
      implements Cloneable
    public Arrays();
}