Vector Maximum in java pgm

Vector Maximum

import java.util.Collections;

import java.util.Vector;

public class Main

            {

public static void main(String[] args)

{

      Vector v = new Vector();

      v.add(new Double("3.4324"));

      v.add(new Double("3.3532"));

      v.add(new Double("3.342"));

      v.add(new Double("3.349"));

      v.add(new Double("2.3"));

      Object obj = Collections.max(v);

      System.out.println("The max element is:"+obj);

   }

}