package innerclasses;

/**

* RUN:

* javac innerclasses/BigEgg2.java && java innerclasses.BigEgg2

* OUTPUT:

* Egg2.Yolk()

* new Egg2()

* Egg2.Yolk()

* BigEgg2.Yolk()

* BigEgg2.Yolk.f()

*/

public class BigEgg2 extends Egg2 {

public class Yolk extends Egg2.Yolk {

public Yolk() { System.out.println("BigEgg2.Yolk()"); }

public void f() { System.out.println("BigEgg2.Yolk.f()"); }

}

public BigEgg2() {

insertYolk(new Yolk());

}

public static void main(String[] args) {

Egg2 e2 = new BigEgg2();

e2.g();

}

}

class Egg2 {

private Yolk y = new Yolk();

protected class Yolk {

public Yolk() { System.out.println("Egg2.Yolk()"); }

public void f() { System.out.println("Egg2.Yolk.f()"); }

}

public Egg2() {

System.out.println("new Egg2()");

}

public void insertYolk(Yolk yy) { y = yy; }

public void g() { y.f(); }

}