Java tutorial
//package com.java2s; /* * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ import java.util.Collection; public class Main { /** * Return true if <tt>a</tt> contains at least one element * which is not contained in <COCE>b</tt> * * @param a <tt>Collection</tt> to be examined. * @param b <tt>Collection</tt> to be refered to * * @return true if <tt>s</tt> contains at least one elment which is * not contained in <tt>b</tt> */ public static boolean hasOtherThan(Collection<?> a, Collection<?> b) { if (a.size() > b.size()) return true; return !b.containsAll(a); } }