?* 练习计算员工工资
?* 定义Employee员工类,包括姓名name,出生月份birthMonth等成员变量;
?* 有getSalary(int month)方法获取员工指定月份的工资,如果该月员工生日,公司额外奖励250元
?* 定义SalariedEmployee有固定工资的员工类,有月薪monthlySalary
?* 定义HourlyEmployee小时工类,包括工作小时数hours和每小时的工资hourlySalary成员变量,如果每月工作超过160小时,超过的部分按1.5倍工资发放
?* 定义SalesEmployee销售人员类,包括月销售额sales和提成比例commission成员变量
?
代码如下:
Employee类:
public class Employee { ?? ?private String name; ?? ?private int birthMonth; ?? ? ?? ?//返回某个月的工资 ?? ?public double getSalary(int month){ ?? ??? ?if(month==birthMonth){ ?? ??? ??? ?return 250; ?? ??? ?} ?? ??? ?return 0; ?? ?}
?? ?//构造方法 ?? ?public Employee(String name,int birthMonth) { ?? ??? ?super(); ?? ??? ?this.name = name; ?? ??? ?this.birthMonth = birthMonth; ?? ?}
}
SalariedEmployee类:
public class SalariedEmployee extends Employee { ?? ?int monthlySalary;
?? ?//构造方法 ?? ?public SalariedEmployee(String name,int birthMonth,int monthlySalary) { ?? ??? ?super(name,birthMonth); ?? ??? ?this.monthlySalary = monthlySalary; ?? ?} ?? ? ?? ?@Override ?? ?public double getSalary(int month){ ?? ??? ?return super.getSalary(month)+monthlySalary; ?? ?}
}
HourlyEmployee类:
public class HourlyEmployee extends Employee { ?? ?int hours; ?? ?int hourlySalary; ?? ? ?? ?//构造方法 ?? ?public HourlyEmployee(String name,int hours, ?? ??? ??? ?int hourlySalary) { ?? ??? ?super(name,birthMonth); ?? ??? ?this.hours = hours; ?? ??? ?this.hourlySalary = hourlySalary; ?? ?} ?? ? ?? ?@Override ?? ?public double getSalary(int month){ ?? ??? ?if(hours>160){ ?? ??? ??? ?return super.getSalary(month)+hourlySalary*hours+(hours-160)*hourlySalary*0.5; ?? ??? ?} ?? ??? ?else{ ?? ??? ??? ?return super.getSalary(month)+hourlySalary*hours; ?? ??? ?} ?? ?}
}
SalesEmployee类:
public class SalesEmployee extends Employee { ?? ?int sales; ?? ?double commission; ?? ? ?? ?//构造方法 ?? ?public SalesEmployee(String name,int sales, ?? ??? ??? ?double commission) { ?? ??? ?super(name,birthMonth); ?? ??? ?this.sales = sales; ?? ??? ?this.commission = commission; ?? ?} ?? ? ?? ?@Override ?? ?public double getSalary(int month){ ?? ??? ?return super.getSalary(month)+sales*commission; ?? ?}?? ? }
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