1. staticclass Body implements Cloneable{  
2.     public Head head;  
3.     public Body() {}  
4.     public Body(Head head) {this.head = head;}  
5.     @Override
6.     protected Object clone() throws CloneNotSupportedException {  
7.         Body newBody =  (Body) super.clone();  
8.         newBody.head = (Head) head.clone();  
9.         return newBody;  
10.     }  
11. }  
12. staticclass Head implements Cloneable{  
13.     public  Face face;  
14.     public Head() {}  
15.     public Head(Face face){this.face = face;}  
16.     @Override
17.     protected Object clone() throws CloneNotSupportedException {  
18.         returnsuper.clone();  
19.     }  
20. }   
21. staticclass Face{}  
22. publicstaticvoid main(String[] args) throws CloneNotSupportedException {  
23.     Body body = new Body(new Head(new Face()));  
24.     Body body1 = (Body) body.clone();  
25.     System.out.println(”body == body1 : ” + (body == body1) );  
26.     System.out.println(”body.head == body1.head : ” +  (body.head == body1.head));  
27.     System.out.println(”body.head.face == body1.head.face : ” +  (body.head.face == body1.head.face));  
28. }  

   static class Body implements Cloneable{
        public Head head;
        public Body() {}
        public Body(Head head) {this.head = head;}

        @Override
        protected Object clone() throws CloneNotSupportedException {
            Body newBody =  (Body) super.clone();
            newBody.head = (Head) head.clone();
            return newBody;
        }

    }

    static class Head implements Cloneable{
        public  Face face;

        public Head() {}
        public Head(Face face){this.face = face;}
        @Override
        protected Object clone() throws CloneNotSupportedException {
            return super.clone();
        }
    } 

    static class Face{}

    public static void main(String[] args) throws CloneNotSupportedException {

        Body body = new Body(new Head(new Face()));

        Body body1 = (Body) body.clone();

        System.out.println("body == body1 : " + (body == body1) );

        System.out.println("body.head == body1.head : " +  (body.head == body1.head));

        System.out.println("body.head.face == body1.head.face : " +  (body.head.face == body1.head.face));


    }

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