Program JobTest

public class JobTest {
public static void main(String[] args) {
Manager kanok;
Secretary supa;
Employee suwat;

suwat = new Employee("Suwat", 8000);
supa = new Secretary("Supa", 10000);
kanok = new Manager("Kanok", 25000, supa);

System.out.println(suwat);
System.out.println(supa);
System.out.println(kanok);

suwat.raiseSalary();
supa.raiseSalary();
kanok.raiseSalary();

System.out.println(suwat);
System.out.println(supa);
System.out.println(kanok);
}
}

class Employee {
private String name;
protected double salary;

public Employee(String name, double salary) {
this.name = name;
this.salary = salary;
}

public void raiseSalary() {
salary += salary * 0.1;
}


public String toString() {
String str;

str = "name : " + name + "\n" +
"salary: " + salary + "\n";
return(str);
}
}

class Secretary extends Employee {
public Secretary(String name, double salary) {
super(name, salary);
}

public void raiseSalary() {
salary += salary * 0.15;
}
}

class Manager extends Employee {
private Secretary secretary;

public Manager(String name,double salary,Secretary secretary) {
super(name, salary);
this.secretary = secretary;
}

public void raiseSalary() {
salary += salary * 0.2;
}

public String toString() {
String str;

str = super.toString() +
"secretary :\n" + secretary;
return(str);
}
}