Java tutorial
//package com.java2s; /* * Tencent is pleased to support the open source community by making Tinker available. * * Copyright (C) 2016 THL A29 Limited, a Tencent company. All rights reserved. * * Licensed under the BSD 3-Clause License (the "License"); you may not use this file except in * compliance with the License. You may obtain a copy of the License at * * https://opensource.org/licenses/BSD-3-Clause * * 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.Comparator; public class Main { public static <T extends Comparable<T>> int aArrCompare(T[] aArrA, T[] aArrB) { int lenA = aArrA.length; int lenB = aArrB.length; if (lenA < lenB) { return -1; } else if (lenA > lenB) { return 1; } else { for (int i = 0; i < lenA; ++i) { int res = aArrA[i].compareTo(aArrB[i]); if (res != 0) { return res; } } return 0; } } public static <T> int aArrCompare(T[] aArrA, T[] aArrB, Comparator<T> cmptor) { int lenA = aArrA.length; int lenB = aArrB.length; if (lenA < lenB) { return -1; } else if (lenA > lenB) { return 1; } else { for (int i = 0; i < lenA; ++i) { int res = cmptor.compare(aArrA[i], aArrB[i]); if (res != 0) { return res; } } return 0; } } }