Java tutorial
import java.util.Vector; public class Main { public static void main(String[] args) { Vector vec = new Vector(4); vec.add(4); vec.add(3); vec.add(2); vec.add(1); System.out.println(vec); System.out.println("Size of the vector: " + vec.size()); // let us remove all the elements System.out.println("Removing all the elements"); vec.removeAll(vec); System.out.println("Size of the vector: " + vec.size()); } }