Java tutorial
//package com.java2s; /** * <copyright> * * Copyright (c) 2006, 2008 IBM Corporation 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: * IBM - Initial API and implementation * * </copyright> * * $Id: CollectionUtil.java,v 1.5 2008/03/26 21:17:25 cdamus Exp $ */ import java.util.Collection; public class Main { /** * Implementation of the OCL * <tt>Collection::excludesAll(c : Collection(T)) : Boolean</tt> * operation. * * @param self the source collection * @param c another collection * @return whether the source collection does not contain any of the * elements of the other */ public static boolean excludesAll(Collection<?> self, Collection<?> c) { for (Object next : c) { if (includes(self, next)) { return false; } } return true; } /** * Implementation of the OCL * <tt>Collection::includes(object : T) : Boolean</tt> * operation. * * @param self the source collection * @param object an object * @return whether the collection includes the object */ public static boolean includes(Collection<?> self, Object object) { return self.contains(object); } }