Java Collections Framework MCQs Questions | Java Program MCQs

public class Test 
{
	public static void main(String[] args) 
        {
		Set s = new HashSet();
		s.add(new Long(10));
		s.add(new Integer(10));
		for(Object object : s)
                {
		    System.out.println("test - "+object);
		}
	}
}

import java.util.*;
class hashtable 
{
    public static void main(String args[]) 
    {
        Hashtable obj = new Hashtable();
        obj.put("A", new Integer(3));
        obj.put("B", new Integer(2));
        obj.put("C", new Integer(8));
        System.out.print(obj.contains(new Integer(5)));
    }
}