import java.util.ArrayList;

import java.util.Arrays;

import java.util.List;

​

/**

 * Java Program to merge 2 arrays of string values.

 * @author javaguides.net

 *

 */

public class MergeTwoStringarrays {

​

    private 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 > firstList = Arrays.asList(array1);

        List < String > secondList = Arrays.asList(array2);

​

        List < String > result = new ArrayList < String > (firstList);

        List < String > tmp = new ArrayList < String > (firstList);

​

        tmp.retainAll(secondList);

        result.removeAll(tmp);

        result.addAll(secondList);

        return ((String[]) result.toArray(new String[result.size()]));

    }

​

    public static void main(String[] args) {

        String[] strArray = mergeStringArrays(new String[] {

                "abc",

                "xyz",

                "pqr"

            },

            new String[] {

                "abc",

                "ABC",

                "PQR"

            });

        for (String string: strArray) {

            System.out.println(string);

        }

    }

}