gardener.java

Java程序设计大学教程程序源代码

/**
 * <p>Title: 果园系统——园丁类</p>
 *
 * <p>Description: 教学演示程序</p>
 * <p>演示一个较复杂一点的面向对象应用程序的设计过程</p>
 * <p>帮助学生理解对象的合成机制</p>
 * <p>Copyright: Copyright (c) 2005</p>
 *
 * <p>Company: 刘艺</p>
 *
 * @author 刘艺
 * @version 1.0
 */
package jbookch4.gardensys;

import jbookch3.gardensys1.Fruit;
import java.util.*;

public class Gardener {
    public static void main(String[] args) {
        Gardener gardensys = new Gardener("张三");
        gardensys.work();
    }

    public Gardener(String name) {
        gardenerName = name;
    }

    public void work() {
        System.out.println(gardenerName + "开始工作");
        plant();
        gain();
    }

    private void plant() {
        System.out.println("——————————————————————————");
        fruits[0] = new TropicalFruit("香蕉", 1000);
        fruits[1] = new Berry("葡萄", 2000);
        fruits[2] = new TropicalFruit("菠萝", 2000);
        fruits[3] = new Berry("草莓", 1000);
        fruits[4] = new CitrusFruit("橘子", 1000);
        for (int i = 0; i < fruits.length; i++) {
            fruits[i].grow();
            fruits[i].harvest();
        }
        System.out.println("——————————————————————————");
    }

    private void gain() {
        int sum = 0;
        //统计收益
        for (int i = 0; i < fruits.length; i++) {
            sum += fruits[i].gain();
        }
        System.out.println("果园总收益：" + sum);
    }

    private String gardenerName;
    private Fruit[] fruits = new Fruit[5];

}