In this Program, we are going to share Java program to Join Two Lists with the output. If you are a Java beginner and want to start learning the Java programming, then keep your close attention in this tutorial as I am going to share how to write a Java program to Join Two Lists.

Java program to Join Two Lists with the output

Copy the below Java program and execute it with the help of Javac compiler. At the end of this program, We have shared the output of this program.

import java.util.ArrayList;

import java.util.List;

import org.apache.commons.collections.ListUtils;

public class JoinListsProgram {

    public static void main(String[] args) {

        List l1 = new ArrayList();
        list1.add("a");

        List l2 = new ArrayList();
        list2.add("b");

        List joined = ListUtils.union(l1, l2);

        System.out.println("list1: " + l1);
        System.out.println("list2: " + l2);
        System.out.println("joined: " + joined);

    }
}

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