Here you can find the source of mergeStringArrays(String array1[], String array2[])
Parameter | Description |
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values | a parameter |
public static String[] mergeStringArrays(String array1[], String array2[])
//package com.java2s; /*/* w ww. j a v a2s . c o m*/ * Licensed to Eolya and Dominique Bejean under one * or more contributor license agreements. * Eolya 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.ArrayList; import java.util.Arrays; import java.util.List; public class Main { /** * This String utility or util method can be used to merge 2 arrays of * string values. If the input arrays are like this array1 = {"a", "b" , * "c"} array2 = {"c", "d", "e"} Then the output array will have {"a", "b" , * "c", "d", "e"} * * This takes care of eliminating duplicates and checks null values. * * @param values * @return */ public static String[] mergeStringArrays(String array1[], String array2[]) { if (array1 == null || array1.length == 0) return array2; if (array2 == null || array2.length == 0) return array1; List<String> array1List = Arrays.asList(array1); List<String> array2List = Arrays.asList(array2); List<String> result = new ArrayList<String>(array1List); List<String> tmp = new ArrayList<String>(array1List); tmp.retainAll(array2List); result.removeAll(tmp); result.addAll(array2List); return ((String[]) result.toArray(new String[result.size()])); } }