Nested HashMap s

import java.awt.image.BufferedImage;
import java.util.HashMap;


public class Test {
    public static void main( String[] args ) {
        HashMap<Boolean,BufferedImage> one;// = new HashMap<Integer,BufferedImage>();
        HashMap<Boolean,BufferedImage> two;// = new HashMap<Integer,BufferedImage>();
        HashMap<Integer, HashMap<Boolean,BufferedImage>> hand; // = new HashMap<Integer, HashMap<Boolean,BufferedImage>>();

        one = new HashMap<Boolean, BufferedImage>();
        two = new HashMap<Boolean, BufferedImage>();

        one.put( true, new BufferedImage(0, 0, 0) );
        one.put( false, new BufferedImage(255, 0, 0) );

        two.put( true, new BufferedImage(0, 255, 0) );

        hand = new HashMap<Integer, HashMap<Boolean,BufferedImage>>();
        hand.put( 1, one );
        hand.put( 2, two );

        System.out.println( hand.get( 1 ) ); //should basically be "one"
        System.out.println( ((HashMap<Boolean,BufferedImage>) hand.get( 1 ) ).get(true) ); //should be two's buffImg
        System.out.println( ((HashMap<Boolean,BufferedImage>) hand.get( 1 ) ).get(false) ); //should error
    }
}