Here you can find the source of toIntValue(final Object o)
public static int toIntValue(final Object o)
//package com.java2s; /*/*from w ww . j av a 2 s . co m*/ * Copyright 2016 Jean-Bernard van Zuylen * * Licensed 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. */ public class Main { public static int toIntValue(final Object o) { if (o instanceof Integer) return ((Integer) o).intValue(); return 0; } }