帮我改个程序

本帖最后由陈红建于 2012-8-10 13:50 编辑

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改程序，从键盘可输入多个（如3个）员工的信息（类型可以是两种中的任意一种），然后输出全部员工的信息。
可能的输入输出形式：
显示：1.Add a Staff Member
2.Display all Staff
3.Exit Programe
选择1后，显示 1. Add an Employee
2. Add a Manager
3. return

import java.util.*;
public class ManagerTest
{
public static void main(String[] args)
{
// construct a Manager object
Manager boss = new Manager("Carl Cracker", 80000, 1987, 12, 15);
boss.setBonus(5000);
Employee[] staff = new Employee[3];
// fill the staff array with Manager and Employee objects
staff[0] = boss;
staff[1] = new Employee("Harry Hacker", 50000, 1989, 10, 1);
staff[2] = new Employee("Tommy Tester", 40000, 1990, 3, 15);
// print out information about all Employee objects
for (Employee e : staff)
System.out.println("name=" + e.getName() + ",salary=" + e.getSalary());
}
}
class Employee
{
public Employee(String n, double s, int year, int month, int day)
{
name = n;
salary = s;
GregorianCalendar calendar = new GregorianCalendar(year, month - 1, day);
hireDay = calendar.getTime();
}
public String getName()
{
return name;
}
public double getSalary()
{
return salary;
}
public Date getHireDay()
{
return hireDay;
}
public void raiseSalary(double byPercent)
{
double raise = salary * byPercent / 100;
salary += raise;
}
private String name;
private double salary;
private Date hireDay;
}
class Manager extends Employee
{
/**
* @param n the employee's name
* @param s the salary
* @param year the hire year
* @param month the hire month
* @param day the hire day
*/
public Manager(String n, double s, int year, int month, int day)
{
super(n, s, year, month, day);
bonus = 0;
}
public double getSalary()
{
double baseSalary = super.getSalary();
return baseSalary + bonus;
}
public void setBonus(double b)
{
bonus = b;
}
private double bonus;
}

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帮我改个程序

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