CheckSize.java

import java.util.Vector; // import class
import java.util.List; // import interface
import java.util.*;
public class CheckSize
{
	public static void main(String x[])
	{
		List l = new Vector(); // using upcasting to check the size of the vector
		System.out.println("Check empty condition: "+l.isEmpty());
		l.add(200);
		int size = l.size();
		System.out.println("The size of Vector is: "+size);
		System.out.println("Check empty condition: "+l.isEmpty());
		l.add(200);
		// contain method
		System.out.println("Check element is present or not: "+l.contains(200));
		System.out.println(l);
		Iterator ls = l.iterator();
		while(ls.hasNext())
		{
			Object obj = ls.next();
			System.out.println(obj);
		}
		Object obj[] = l.toArray();
		System.out.println(obj);
		for(Object o : obj)
		{
			System.out.println(o);
		}
	}
}