94 lines
1.9 KiB
Java
94 lines
1.9 KiB
Java
import java.util.*;
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/**
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* This program demonstrates inheritance.
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* @version 1.21 2004-02-21
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* @author Cay Horstmann
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*/
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public class ManagerTest
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{
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public static void main(String[] args)
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{
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// construct a Manager object
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Manager boss = new Manager("Carl Cracker", 80000, 1987, 12, 15);
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boss.setBonus(5000);
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Employee[] staff = new Employee[3];
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// fill the staff array with Manager and Employee objects
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staff[0] = boss;
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staff[1] = new Employee("Harry Hacker", 50000, 1989, 10, 1);
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staff[2] = new Employee("Tommy Tester", 40000, 1990, 3, 15);
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// print out information about all Employee objects
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for (Employee e : staff)
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System.out.println("name=" + e.getName() + ",salary=" + e.getSalary());
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}
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}
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class Employee
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{
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public Employee(String n, double s, int year, int month, int day)
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{
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name = n;
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salary = s;
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GregorianCalendar calendar = new GregorianCalendar(year, month - 1, day);
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hireDay = calendar.getTime();
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}
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public String getName()
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{
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return name;
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}
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public double getSalary()
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{
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return salary;
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}
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public Date getHireDay()
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{
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return hireDay;
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}
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public void raiseSalary(double byPercent)
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{
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double raise = salary * byPercent / 100;
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salary += raise;
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}
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private String name;
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private double salary;
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private Date hireDay;
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}
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class Manager extends Employee
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{
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/**
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* @param n the employee's name
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* @param s the salary
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* @param year the hire year
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* @param month the hire month
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* @param day the hire day
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*/
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public Manager(String n, double s, int year, int month, int day)
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{
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super(n, s, year, month, day);
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bonus = 0;
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}
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public double getSalary()
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{
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double baseSalary = super.getSalary();
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return baseSalary + bonus;
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}
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public void setBonus(double b)
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{
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bonus = b;
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}
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private double bonus;
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}
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