Java Array Merge mergeArrays(String[] a1, String[] a2)

Description

merge Arrays

License

Apache License

Declaration

public static String[] mergeArrays(String[] a1, String[] a2) 

Method Source Code

//package com.java2s;
/** /*from   w ww  .java 2s  .  c  om*/
  * Licensed to the Apache Software Foundation (ASF) under one 
  * or more contributor license agreements. See the NOTICE file 
  * distributed with this work for additional information 
  * regarding copyright ownership. The ASF 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.List;

public class Main {
    public static String[] mergeArrays(String[] a1, String[] a2) {
        if (a1 == null)
            return a2;
        if (a2 == null)
            return a1;

        List<String> list = new ArrayList<String>(a1.length + a2.length);

        for (String s : a1) {
            list.add(s);
        }

        for (String s : a2) {
            if (!list.contains(s))
                list.add(s);
        }

        return list.toArray(new String[list.size()]);
    }
}

Related

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2. mergeArrays(long[] alldistances, long[] currentUserDistances)
3. mergeArrays(Object[] arr1, Object[] arr2, Object[] destinationArray)
4. mergeArrays(Object[] first, Object[] second)
5. mergeArrays(String[] a, String[] b)
6. mergeArrays(String[] array, String[] newEntries)
7. mergeArrays(String[] data1, String[] data2)
8. mergeArrays(String[] inputArray1, String[] inputArray2)
9. mergeArrays(T[] items, T[]... added)