Java tutorial
import java.util.Vector; public class Main { public static void main(String args[]) { Vector<Object> v = new Vector<Object>(5); for (int i = 0; i < 10; i++) { v.add(0, i); } System.out.println(v); for (int i = 0; i < 10; i++) { v.set(i, "A"); } System.out.println(v); } }