• 面向对象(抽象类练习)


    /**
    * Created by rabbit on 2014-07-21.博客园.刘朋程
    * 假如我们在开发一个系统时,需要对员工进行建模,
    * 员工包含3个属性:姓名、工号、工资。经理也是员工
    * ,除了含有员工的属性外,另外还有一个奖金属性。
    * 使用继承的思想设计出员工类和经理类。要求类中
    * 提供一个必要的方法进行属性访问
    *
    * 员工类:name,id,pay
    *
    * 经理类:继承了员工,并有自己特有的bonus
    */
    //Created by rabbit on 2014-07-21.博客园.刘朋程
    abstract class Employee
    {
        private String name;
        private String id;
        private int pay;

        Employee(String name,String id,int pay)
        {
            this.name = name;
            this.id = id;
            this.pay = pay;
        }
        public abstract void work();
    }
    //Created by rabbit on 2014-07-21.博客园.刘朋程
    class Manager extends Employee
    {
        private int bonus;
        Manager(String name,String id,int pay,int bonus)
        {
            super(name, id, pay);
            this.bonus = bonus;
        }

        public void work()
        {
            System.out.println("Manager work");
        }
    }
    //Created by rabbit on 2014-07-21.博客园.刘朋程
    class Pro extends Employee
    {
        Pro(String name,String id,int pay)
        {
            super(name, id, pay);
        }
        public void work()
        {
            System.out.println("Pro work");
        }

    }
    //Created by rabbit on 2014-07-21.博客园.刘朋程
    public class AbstractTest
    {
        public static void main(String [] args)
        {
            System.out.println("work");
        }
    }

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  • 原文地址:https://www.cnblogs.com/liupengcheng/p/3858170.html
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