Java Program to Join Two Lists

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Configurare noua (How To)

In this program, you’ll learn how to join two lists in Java.

import java.util.ArrayList;
import java.util.List;

public class JoinLists {

public static void main(String[] args) {

List<String> list1 = new ArrayList<String>();
list1.add(“a”);

List<String> list2 = new ArrayList<String>();
list2.add(“b”);

List<String> joined = new ArrayList<String>();

joined.addAll(list1);
joined.addAll(list2);

System.out.println(“list1: ” + list1);
System.out.println(“list2: ” + list2);
System.out.println(“joined: ” + joined);

}
}

Output

list1: [a]
list2: [b]
joined: [a, b]

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