Java tutorial
//package com.java2s; /* * Swordess-ldap, an Object-Directory Mapping tool. * * Copyright (c) 2013, 2013 Liu Xingyu. * * Swordess-ldap is free software: you can redistribute it and/or modify it * under the terms of the GNU Lesser General Public License as published by the * Free Software Foundation, either version 3 of the License, or (at your * option) any later version. * * Swordess-ldap 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 Swordess-ldap. If not, see <http://www.gnu.org/licenses/>. */ import java.util.Collection; public class Main { public static <T> void addIfNotNull(Collection<T> c, T element) { if (null != c && null != element) { c.add(element); } } }