48.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。
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; } } public class SalariedEmpoyee extends ColaEmployee{ double Salary; public SalariedEmpoyee(){ super(); } public SalariedEEmployee(String name,double Salary,int month){ super(name,month); this.Salary=Salary; } public double getSalary(int month){ if(super.month==month){ return Salary+100; }else{ return Salary; } } } public class HourlyEmployee extends ColaEmployee{ private int hourSalary; private int num; public HourlyEmployee(String name,int month,int hourSalary, int num) { super(name,month); this.hourSalary = hourSalary; this.num = num; } public double getSalary(int month) { if (super.month == month) { if (num>160) { return hourSalary * 160 + hourSalary * (num - 160) * 1.5 +100; } else { return hourSalary * num + 100; } } else { if (num >160) { return hourSalary * 160 + hourSalary * (num - 160) * 1.5; } else { return hourSalary * num; } } } } public class SalesEmployee extends ColaEmployee{ private int monthSales; private double royaltyRate; public SalesEmployee(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; } } } 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"); } } public class TestCompany { public static void main(String[] args) { // TODO Auto-generated method stub ColaEmployee[] ce= {new SalariedEmployee("jack", 6, 10000),new HourlyEmployee("按小 时拿工资的员工", 10, 50, 200),new SalesEmployee("销售人员", 6, 10000, 0.8)}; for (int i = 0; i < cel.length; i++) { new Company().getSalary(ce[i], 8); } } }