Java tutorial
//package com.java2s; /** * Copyright 2008 - 2011 * * 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. * * @project loonframework * @author chenpeng * @emailceponline@yahoo.com.cn * @version 0.1 */ public class Main { public static boolean isEmpty(int val) { return (val == Integer.MIN_VALUE) ? true : 0 == val; } public static boolean isEmpty(String val) { return (val == null | "".equals(val) | val.equals(Integer.toString(Integer.MAX_VALUE))); } }