NewEmployee与NewManager类的继承及薪资计算演示

package _5_6;

public class ManagerTest {

public static void main(String[] args) {

NewEmployee e = new NewEmployee("Harry Hacker", 50000, 1989, 10, 1);

System.out.println(e.getName() + ": " + e.getSalary()); // Output the name and salary

NewManager boss = new NewManager("Carl Cracker", 80000, 1987, 12, 15);

boss.setBonus(5000); // Set bonus for the manager

System.out.println(boss.getName() + ": " + boss.getSalary()); // Output the manager's name and salary

}

}

package _5_6;

import java.util.*;

public class NewEmployee {

private String name;

private double salary;

private Date hireDay;

public NewEmployee(String n, double s, int year, int month, int day) {

name = n;

salary = s;

// Correct initialization of hireDay

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;

}

}

class NewManager extends NewEmployee {

private double bonus;

public NewManager(String n, double s, int year, int month, int day) {

super(n, s, year, month, day);

bonus = 0; // Make it clear that bonus is initialized to 0

}

@Override

public double getSalary() {

double baseSalary = super.getSalary();

return baseSalary + bonus;

}

public void setBonus(double b) {

bonus = b;

}

}