Package com.mchange.v1.util

Class ArrayUtils

  • public final class ArrayUtils
extends java.lang.Object

    • Method Summary

      All Methods Static Methods Concrete Methods Deprecated Methods 
      Modifier and Type Method Description
      static int hashArray​(int[] ii)
      returns a hash-code for an array consistent with Arrays.equals( ...
      static int hashArray​(java.lang.Object[] oo)
      returns a hash-code for an array consistent with Arrays.equals( ...
      static int hashOrZeroArray​(int[] ii)  
      static int hashOrZeroArray​(java.lang.Object[] oo)  
      static int identityIndexOf​(java.lang.Object[] array, java.lang.Object o)  
      static int indexOf​(java.lang.Object[] array, java.lang.Object o)
      The array may contain nulls, but o must be non-null.
      static boolean startsWith​(byte[] checkMe, byte[] maybePrefix)  
      static java.lang.String stringifyContents​(java.lang.Object[] array)
      Deprecated.
      use the various toString(T[] methods)
      static java.lang.String toString​(boolean[] arr)  
      static java.lang.String toString​(byte[] arr)  
      static java.lang.String toString​(char[] arr)  
      static java.lang.String toString​(double[] arr)  
      static java.lang.String toString​(float[] arr)  
      static java.lang.String toString​(int[] arr)  
      static java.lang.String toString​(long[] arr)  
      static java.lang.String toString​(short[] arr)  
      static java.lang.String toString​(java.lang.Object[] arr)  

      • Methods inherited from class java.lang.Object

        clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

    • Method Detail

      • indexOf

        public static int indexOf​(java.lang.Object[] array,
                          java.lang.Object o)
        The array may contain nulls, but o must be non-null.

      • identityIndexOf

        public static int identityIndexOf​(java.lang.Object[] array,
                                  java.lang.Object o)

      • startsWith

        public static boolean startsWith​(byte[] checkMe,
                                 byte[] maybePrefix)

      • hashArray

        public static int hashArray​(java.lang.Object[] oo)
        returns a hash-code for an array consistent with Arrays.equals( ... )

      • hashArray

        public static int hashArray​(int[] ii)
        returns a hash-code for an array consistent with Arrays.equals( ... )

      • hashOrZeroArray

        public static int hashOrZeroArray​(java.lang.Object[] oo)

      • hashOrZeroArray

        public static int hashOrZeroArray​(int[] ii)

      • stringifyContents

        public static java.lang.String stringifyContents​(java.lang.Object[] array)
        Deprecated.
        use the various toString(T[] methods)

      • toString

        public static java.lang.String toString​(boolean[] arr)

      • toString

        public static java.lang.String toString​(byte[] arr)

      • toString

        public static java.lang.String toString​(char[] arr)

      • toString

        public static java.lang.String toString​(short[] arr)

      • toString

        public static java.lang.String toString​(int[] arr)

      • toString

        public static java.lang.String toString​(long[] arr)

      • toString

        public static java.lang.String toString​(float[] arr)

      • toString

        public static java.lang.String toString​(double[] arr)

      • toString

        public static java.lang.String toString​(java.lang.Object[] arr)