第十一周作业

4、Cola公司的雇员分为以下若干类：(知识点：多态)

(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。

(2) SalariedEmployee ：     ColaEmployee 的子类，拿固定工资的员工。

• 属性：月薪

(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) 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

(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。

package cup;

public class ColaEmployee {
    String name;
    int month;
    public ColaEmployee() {

    }
    public ColaEmployee(String name,int month){
        this.name=name;
        this.month=month;
    }    
    public double getSalary(int month) {
        return 0;
    }
}

　　

package cup;

public class SalariedEmployee extends ColaEmployee{
     double monSalary;
        public SalariedEmployee(String name,int month,double monSalary) {
            super(name,month);
            this.monSalary=monSalary;
        }
        public double getSalary(int month) {
            if (super.month==month) {
                return monSalary +100;
            }else {
                return monSalary;
            }    
}
}

package cup;

public class HourlyEmployee extends ColaEmployee {
     private int hourSalary;
     private int hourNum;     
     public HourlyEmployee(String name, int month,int hourSalary,int hourNum) {
         super(name,month);
         this.hourSalary=hourSalary;
         this.hourNum=hourNum;
     }
public double getSalary(int month) {
    if(super.month==month) {
        if (hourNum>160) {
            return hourSalary*160+hourSalary*(hourNum-160)*1.5+100;
        }else {
            return hourSalary*hourNum+100;
        }
    }else {
        if (hourNum>160) {
            return hourSalary*160+hourSalary*(hourNum-160)*1.5;
        }else {
            return hourSalary*hourNum;
        }
    }
}
}

package cup;

public class SalaesEmployee extends ColaEmployee {
    private int monthSales;
    private double royaltyRate; 
   public SalaesEmployee(String name, int month,int monthSales,double royaltyRate) {
       super(name, month);
       this.monthSales = monthSales;
       this.royaltyRate = royaltyRate;
    }
   public double getSalary(int month) {
       if(super.month == month) {
           return monthSales * royaltyRate + 100;
       }else {
           return monthSales * royaltyRate;
       }
   }    
}

package cup;

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

package cup;

public class TestCompany {

    public static void main(String[] args) {
        // TODO 自动生成的方法存根
        ColaEmployee[] cel = {
                new SalariedEmployee("拿固定工资的员工", 5, 10000),
                new HourlyEmployee("按小时拿工资的员工", 7, 100, 300),
                new SalaesEmployee("销售人员", 3, 8000, 0.6)
                };
        for (int i = 0; i < cel.length; i++) {
            new Company().getSalary(cel[i],5);
        }

    }

}