Java tutorial
//package com.java2s; /* * Copyright JTheque (Baptiste Wicht) * * 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.Collections; import java.util.Comparator; public class Main { /** * Construct a comparator that use the reverse order than the given comparator. * * @param comparator The comparator to reverse. * @param <T> The type of objects. * * @return A reverse comparator. */ public static <T> Comparator<T> reverseComparator(Comparator<T> comparator) { return Collections.reverseOrder(comparator); } }