Java tutorial
//package com.java2s; /* * Copyright (c) 2012 - Batoo Software ve Consultancy Ltd. * * This copyrighted material is made available to anyone wishing to use, modify, * copy, or redistribute it subject to the terms and conditions of the GNU * Lesser General Public License, as published by the Free Software Foundation. * * This program 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. * * You should have received a copy of the GNU Lesser General Public License * along with this distribution; if not, write to: * Free Software Foundation, Inc. * 51 Franklin Street, Fifth Floor * Boston, MA 02110-1301 USA */ import java.util.Collection; import java.util.Map; public class Main { /** * Return <code>true</code> if the supplied Collection is <code>null</code> or empty. Otherwise, return <code>false</code>. * * @param collection * the Collection to check * @return whether the given Collection is empty */ public static boolean isEmpty(Collection<?> collection) { return ((collection == null) || collection.isEmpty()); } /** * Return <code>true</code> if the supplied Map is <code>null</code> or empty. Otherwise, return <code>false</code>. * * @param map * the Map to check * @return whether the given Map is empty */ public static boolean isEmpty(Map<?, ?> map) { return ((map == null) || map.isEmpty()); } }