Java Collections Framework MCQs Questions | Java Program MCQs

import java.util.*;
class Maps 
{
    public static void main(String args[]) 
    {
        HashMap obj = new HashMap();
        obj.put("A", new Integer(1));
        obj.put("B", new Integer(2));
        obj.put("C", new Integer(3));
        System.out.println(obj.keySet());
    }
}

import java.util.*;
class date
{
    public static void main(String args[])
    {
        Date obj = new Date();
        System.out.print(obj);
    }
}

import java.awt.*;
import java.applet.*;
public class myapplet extends Applet 
{
    Graphic g;
    g.drawString("A Simple Applet",20,20);    
}