Here you can find the source of toBoolean(Object object)
public static boolean toBoolean(Object object)
//package com.java2s; /***************************************************************** * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The ASF licenses this file * to you under the Apache License, Version 2.0 (the * "License"); you may not use this file except in compliance * with the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, * software distributed under the License is distributed on an * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY * KIND, either express or implied. See the License for the * specific language governing permissions and limitations * under the License./*from w w w . j av a 2 s. co m*/ ****************************************************************/ public class Main { public static boolean toBoolean(Object object) { if (object instanceof Boolean) { return ((Boolean) object).booleanValue(); } if (object instanceof Number) { return ((Number) object).intValue() != 0; } return object != null; } }