Here you can find the source of hash64To32(long lg)
public static int hash64To32(long lg)
//package com.java2s; /******************************************************************************* * Copyright (c) 2013 BowenCai.//from w ww . j ava 2 s . co m * All rights reserved. This program and the accompanying materials * are made available under the terms of the GNU Public License v3.0 * which accompanies this distribution, and is available at * http://www.gnu.org/licenses/gpl.html * * Contributors: * BowenCai - initial API and implementation ******************************************************************************/ public class Main { public static int hash64To32(long lg) { return (int) (lg ^ (lg >>> 32)); } }