Java tutorial
//package com.java2s; /******************************************************************************* * Copyright (c) 2004 - 2009 Mylyn project committers and others. * All rights reserved. This program and the accompanying materials * are made available under the terms of the Eclipse Public License v1.0 * which accompanies this distribution, and is available at * http://www.eclipse.org/legal/epl-v10.html * * Contributors: * Mylyn project committers, Atlassian, Sven Krzyzak *******************************************************************************/ import java.util.Collection; public class Main { public static <T> void addItemSafely(Collection<T> collection, T item) { if (item != null) { collection.add(item); } } }