Here you can find the source of hash(int seed, boolean value)
public static int hash(int seed, boolean value)
//package com.java2s; /**/*ww w . ja va2s. c om*/ * Copyright (c) 2000-2012 Liferay, Inc. All rights reserved. * * This library is free software; you can redistribute it and/or modify it under * the terms of the GNU Lesser General Public License as published by the Free * Software Foundation; either version 2.1 of the License, or (at your option) * any later version. * * This library is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more * details. */ public class Main { public static int hash(int seed, boolean value) { return seed * 11 + (value ? 1 : 0); } public static int hash(int seed, int value) { return seed * 11 + value; } public static int hash(int seed, long value) { return (int) (seed * 11 + value); } public static int hash(int seed, Object value) { return seed * 11 + (value == null ? 0 : value.hashCode()); } }