Java tutorial
//package com.java2s; /******************************************************************************* * Copyright (c) 2004, 2007 Boeing. * 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: * Boeing - initial API and implementation *******************************************************************************/ import java.util.ArrayList; import java.util.Collection; import java.util.List; public class Main { /** * The resultant set is those elements in superSet which are not in the subSet */ public static <T> List<T> setComplement(Collection<T> superSet, Collection<T> subList) { ArrayList<T> complement = new ArrayList<T>(superSet.size()); for (T obj : superSet) { if (!subList.contains(obj)) { complement.add(obj); } } return complement; } }