VECTOR

package vector;

//demonstrate various vector operations

import java.util.Enumeration;
import java.util.Vector;



public class VECTOR
{
    public static void main(String[] args)
    {
        //initialize size 3 increment is 2
        Vector<Integer> v = new Vector<Integer>(3,2);
        System.out.println("Initial Size : "+v.size());
        System.out.println("Initial capacity : "+v.capacity());
        v.addElement(1);
        v.addElement(2);
        v.addElement(3);
        v.addElement(4);
        System.out.println("Capacity after four additions : "+v.capacity());
        v.addElement(5);
        System.out.println("Current capacity : "+v.capacity());
        v.addElement(6);
        v.addElement(7);
        System.out.println("Current capacity : "+v.capacity());
        v.addElement(9);
        v.addElement(10);
        System.out.println("Current capacity : "+v.capacity());
        v.addElement(11);
        v.addElement(12);
        System.out.println("First element : "+v.firstElement());
        System.out.println("Last element : "+v.lastElement());
        if(v.contains(3))
        {
            System.out.println("Vector contains 3");
        }
        Enumeration<Integer> vEnum = v.elements();
        System.out.println("\nElements in vector : ");
        while(vEnum.hasMoreElements())
        {
            System.out.print(vEnum.nextElement()+" ");

        }
        System.out.println("");


    }
}