import java.util.*; public class VectorExample { public static void main(String argds[]) { // set the initial size 3 and increment 2 Vector vec = new Vector(3, 2); System.out.println("Vector's initial size: " + vec.capacity()); System.out.println("Elements in vector: " + vec.size()); vec.addElement(1); vec.addElement(2); vec.addElement(3); vec.addElement(4.3); System.out.println("After adding four elements vector's size: " + vec.capacity()); System.out.println("Vector's First element: " + vec.firstElement()); System.out.println("Vector's Last element: " + vec.lastElement()); if (vec.contains(3)) System.out.println("Vector contains 3."); // enumerate the elements in the vector. Enumeration ve = vec.elements(); System.out.println("\nElements in vector:"); while (ve.hasMoreElements()) System.out.print(ve.nextElement() + " "); System.out.println(); } }