bigegg.java

所学课程的编码。java的基础例子。可以练习java通过这些例子。。

/*
 * An inner class cannot be overriden
 */
package chap05;

class Egg {
    protected class Yolk {
        public Yolk() {
            System.out.println("Egg.Yolk()");
        }
    }

    private Yolk y;

    public Egg() {
        System.out.println("New Egg()");
        y = new Yolk();
    }
}

public class BigEgg extends Egg {
    public class Yolk {
        public Yolk() {
            System.out.println("BigEgg.Yolk()");
        }
    }

    public static void main(String[] args) {
        new BigEgg();
    }
}