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Java Program to Merge two String Arrays

Deepika Sahu answered on December 17, 2022 Popularity 6/10 Helpfulness 1/10

answer Java Program to Merge two String Arrays

Java Program to Merge two String Arrays

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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);
        }
    }
}

Popularity 6/10 Helpfulness 1/10 Language java

Source: www.javaguides.net

Tags: arrays java merge string

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Contributed on Dec 17 2022

Deepika Sahu

0 Answers Avg Quality 2/10

Java Program to Merge two String Arrays

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