Here you can find the source of toInt(Object object, int defaultValue)
public static int toInt(Object object, int defaultValue)
//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./* w w w . j a v a 2 s . c om*/ ****************************************************************/ public class Main { public static int toInt(Object object, int defaultValue) { if (object == null) { return defaultValue; } else if (object instanceof Number) { return ((Number) object).intValue(); } else if (object instanceof String) { try { return Integer.parseInt((String) object); } catch (NumberFormatException ex) { return defaultValue; } } return defaultValue; } }