merge String Arrays - Android java.lang

Android examples for java.lang:array union merge

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Description

merge String Arrays

Demo Code

import android.text.Html;
import android.text.TextUtils;
import java.math.BigInteger;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;

public class Main{

    public static String[] mergeStringArrays(String array1[],
            String array2[]) {//from w  ww. j ava  2  s. c om
        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.addAll(array2List);
        return ((String[]) result.toArray(new String[result.size()]));
    }

}

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