DSA:VECTOR

import java.io.*;
import java.util.*;

class vecdemo {
public static void main(String arg[]) {
Vector v = new Vector(4,2);
System.out.println("Initial size:"+v.size());
System.out.println("Initial capacity:"+v.capacity());
v.addElement(new Integer(1));
v.addElement(new Integer(2));
v.addElement(new Integer(3));
v.addElement(new Integer(4));
v.addElement(new Integer(5));
System.out.println("capacity after adding 5 elements:"+v.capacity());
v.addElement(new Double(6.3));
v.addElement(new Integer(7));
System.out.println("capacity after adding 6 elements:"+v.capacity());
System.out.println("Checks if vector contain 4:"+v.contains(new Integer(4)));
System.out.println("Element at pos 2:"+v.get(3));
System.out.println("Remove Element at pos 2:"+v.remove(2));
System.out.println("\nFirst Element:"+(Integer)v.firstElement());
System.out.println("\nLast Element:"+(Integer)v.lastElement());
String a=v.toString();
System.out.println("String Representation of vector:"+a);
System.out.println("Removing all Element from Vector:");
v.removeAllElements();
}
}