第十五作业

Cola公司的雇员分为以下若干类：(知识点：多态) [必做
题]
• 4.1 ColaEmployee ：这是所有员工总的父类，属性：员工的
姓名,员工的生日月份。方法：getSalary(int month) 根据参数
月份来确定工资，如果该月员工过生日，则公司会额外奖励
100 元。
• 4.2 SalariedEmployee ： ColaEmployee 的子类，拿固定工
资的员工。属性：月薪
课后作业
• 4.3 HourlyEmployee ：ColaEmployee 的子类，按小时拿工
资的员工，每月工作超出160 小时的部分按照1.5 倍工资发
放。属性：每小时的工资、每月工作的小时数
• 4.4 SalesEmployee ：ColaEmployee 的子类，销售人员，
工资由月销售额和提成率决定。属性：月销售额、提成率
• 4.5 定义一个类Company，在该类中写一个方法，调用该
方法可以打印出某月某个员工的工资数额，写一个测试类
TestCompany,在main方法，把若干各种类型的员工放在一
个ColaEmployee 数组里，并单元出数组中每个员工当月的
工资。

1 package Work;
 2 
 3 public class ColaEmployee {
 4     protected String name;
 5     protected int month;
 6 
 7     public ColaEmployee() {
 8         super();
 9     }
10 
11     public ColaEmployee(String name, int month) {
12         super();
13         this.name = name;
14         this.month = month;
15     }
16 
17     public double getSalary(int month) {
18         return 0;
19     }
20 
21 }

package Work;

public class ColaEmployee {
    protected String name;
    protected int month;

    public ColaEmployee() {
        super();
    }

    public ColaEmployee(String name, int month) {
        super();
        this.name = name;
        this.month = month;
    }

    public double getSalary(int month) {
        return 0;
    }

}

package Work;
 2 
 3 public class HourlyEmployee extends ColaEmployee {
 4     protected int hourmoney;
 5     protected int daymonth;
 6 
 7     public HourlyEmployee() {
 8         super();
 9     }
10 
11     public HourlyEmployee(String name, int month, int hourmoney, int daymonth) {
12         super(name, month);
13         this.hourmoney = hourmoney;
14         this.daymonth = daymonth;
15     }
16 
17     public double getSalary(int month) {
18         if (super.month == month) {
19             if (daymonth > 160) {
20                 return hourmoney * 160 + hourmoney * (daymonth - 160) * 1.5
21                         + 100;
22             } else {
23                 return hourmoney * daymonth + 100;
24             }
25         } else {
26             if (daymonth > 160) {
27                 return hourmoney * 160 + hourmoney * (daymonth - 160) * 1.5;
28             } else {
29                 return hourmoney * daymonth;
30             }
31         }
32     }
33 }

package Work;

public class SalesEmployee extends ColaEmployee {
    protected int monthsales;
    protected double rate;

    public SalesEmployee() {
        super();
    }

    public SalesEmployee(String name, int month, int monthsales, double rate) {
        super(name, month);
        this.monthsales = monthsales;
        this.rate = rate;
    }

    public double getSalary(int month) {
        if (super.month == month) {
            return monthsales * rate + 100;
        } else {
            return monthsales * rate;
        }
    }

}

package Work;

public class Company {
    public void getSalary(ColaEmployee c, int month) {
        System.out.println(c.name + "在" + month + "月的月薪为" + c.getSalary(month)
                + "元");
    }

}

package Work;

public class TestCompany {

    /**
     * @param args
     */
    public static void main(String[] args) {
        // TODO Auto-generated method stub
        ColaEmployee c1[] = { new SalariedEmployee("小赵", 7, 10000),
                new HourlyEmployee("小钱", 4, 100, 200),
                new SalesEmployee("小孙", 6, 200000, 0.5) };
        for (int i = 0; i < c1.length; i++) {
            new Company().getSalary(c1[i], 7);
        }
    }

}