import java.util.*;

class TestVector
{
  public static void main (String[] args)
  {
    Vector bv = new Vector (2);
    System.out.println ("Capacidad = : " + bv.capacity() + " tamaño = " + bv.size());
    Box b1 = new Box (1, 2, 3);
    Box b2 = new Box ();
    Box b3 = new Box (0.5, 1.5, 2.5);

    bv.add(b1);
    bv.add(b2);
    bv.add(b3);

    System.out.println ("Capacidad = : " + bv.capacity() + " tamaño = " + bv.size());
    System.out.println ("Anchura del primer elemento = " + ((Box)bv.firstElement()).getWidth());
    System.out.println ("Anchura del segundo elemento = " + ((Box)bv.elementAt(1)).getWidth());
    System.out.println ("Anchura del último elemento = " + ((Box)bv.lastElement()).getWidth());
    bv.remove (2);
    System.out.println ("Capacidad = : " + bv.capacity() + " tamaño = " + bv.size());
  }
}