src/share/classes/java/lang/Long.java

rev 4568 : 7088952: Add "BYTES" constant to primitive wrapper classes
7088913: Add compatible static hashCode(primitive) to primitive wrapper classes
Reviewed-by: smarks

@@ -784,10 +784,22 @@
     public int hashCode() {
         return (int)(value ^ (value >>> 32));
     }
 
     /**
+     * Returns a hash code for a {@code long} value; compatible with
+     * {@code Long.hashCode()}.
+     *  
+     * @since 1.8
+     *
+     * @return a hash code value for a {@code long} value.
+     */
+    public static int hashCode(long value) {
+        return (int)(value ^ (value >>> 32));
+    }
+
+    /**
      * Compares this object to the specified object.  The result is
      * {@code true} if and only if the argument is not
      * {@code null} and is a {@code Long} object that
      * contains the same {@code long} value as this object.
      *

@@ -980,10 +992,18 @@
      * @since 1.5
      */
     public static final int SIZE = 64;
 
     /**
+     * The number of bytes used to represent a {@code long} value in two's
+     * complement binary form.
+     *
+     * @since 1.8
+     */
+    public static final int BYTES = SIZE / Byte.SIZE;
+
+    /**
      * Returns a {@code long} value with at most a single one-bit, in the
      * position of the highest-order ("leftmost") one-bit in the specified
      * {@code long} value.  Returns zero if the specified value has no
      * one-bits in its two's complement binary representation, that is, if it
      * is equal to zero.