Copy Elements of One Vector to Another Vector with Collection.copy : Vector « Collections « Java Tutorial

1. Java Tutorial
2. Collections
3. Vector

import java.util.Collections;
import java.util.Vector;

public class Main {
  public static void main(String[] args) {
    Vector<String> v1 = new Vector<String>();
    v1.add("1");
    v1.add("2");
    v1.add("3");

    Vector<String> v2 = new Vector<String>();
    v2.add("One");
    v2.add("Two");
    v2.add("Three");
    v2.add("Four");
    v2.add("Five");

    System.out.println(v2);
    Collections.copy(v2, v1);

    System.out.println(v2);
  }
}
/*[One, Two, Three, Four, Five]
[1, 2, 3, Four, Five]
*/