BigEgg2.java

package Chapter10;
import static org.lozybean.util.Print.*;

class Egg2{
	protected class Yolk{
		public Yolk(){
			println("Egg2.Yolk()");
		}
		public void f(){
			println("Egg2.Yolk.f()");
		}
	}
	private Yolk y = new Yolk();
	public Egg2() {
		println("New Egg2()");
	}
	public void insertYolk(Yolk yy){
		y = yy;
	}
	public void g(){
		y.f();
	}
}
public class BigEgg2 extends Egg2{
	public class Yolk extends Egg2.Yolk{
		public Yolk(){
			println("BigEgg2.Yolk()");
		}
		public void f(){
			println("BigEgg2.Yolk.f()");
		}
	}
	public BigEgg2(){
		insertYolk(new Yolk());
	}
	public static void main(String[] args){
		Egg2 e2 = new BigEgg2();
		e2.g();
	}/*output
Egg2.Yolk()
New Egg2()
Egg2.Yolk()
BigEgg2.Yolk()
BigEgg2.Yolk.f()	
*/
}