tropicalfruit.java

Java程序设计大学教程程序源代码

/**
 * <p>Title: 果园系统——水果派生类</p>
 *
 * <p>Description: 教学演示程序</p>
 * <p>演示派生类的设计与方法覆盖</p>
 * <p>帮助学生理解对象的继承机制</p>
 * <p>Copyright: Copyright (c) 2005</p>
 *
 * @author 刘艺
 * @version 1.0
 */

package jbookch4.gardensys;

import jbookch3.gardensys1.Fruit;
public class TropicalFruit extends Fruit {
    public TropicalFruit (String fname, int in) {
        super(fname,  in);
}

    public int gain() {
        int g = super.gain();
        System.out.println(fruitName + "投入" + input + " 净收益" + g);
        return g;
    }
}