--- a/jdk/src/share/classes/java/lang/Long.java Mon Nov 12 11:12:29 2012 +0900
+++ b/jdk/src/share/classes/java/lang/Long.java Tue Nov 13 20:02:48 2012 -0800
@@ -1021,7 +1021,20 @@
*
* @return a hash code value for this object.
*/
+ @Override
public int hashCode() {
+ return Long.hashCode(value);
+ }
+
+ /**
+ * 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));
}