一个关于继承的小例子，继承小例子,import java.

一个关于继承的小例子，继承小例子,import java.

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;}//该片段来自于http://byrx.net