Here you can find the source of getDiffInfo(List
public static String getDiffInfo(List<String> infoList)
//package com.java2s; /*//from ww w. j a v a 2 s . c o m * Copyright 2015 lixiaobo * * VersionUpgrade project licenses this file to you 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.List; public class Main { public static String getDiffInfo(List<String> infoList) { int iIndex = 1; boolean isFind = false; String newItem = "NewItem"; do { isFind = false; for (String info : infoList) { if (info.equals(newItem)) { isFind = true; newItem = "NewItem" + iIndex; iIndex++; } } } while (isFind); return newItem; } }