Java

OOP GUIDE / WORK

PERSON SUPERCLASS AND STUDENT & TEACHER SUBCLASSES - SOLUTIONS

TASK – PART 1 – CONSIDER THE PERSON CLASS

No work

TASK – PART 2 – TEST THE PERSON CLASS

Here is my tester class:

public class Tester

{

public static void main(String[] args)

{

Person pat = new Person("Pat Campo", 1977);

System.out.println(pat);

System.out.println(pat.getAge());

}

}

TASK – PART 3 – THE STUDENT CLASS

Here is my Student class:

public class Student extends Person

{

public int studentNumber;

public String school;

public Student(String n, int yob, int sn, String sch)

{

super(n, yob);

studentNumber = sn;

school = sch;

}

public String toString()

{

return name + "," + yob + "," + studentNumber + "," + school;

}

}

TASK – PART 4 – TEST THE STUDENT CLASS

Here is my tester class:

public class Tester

{

public static void main(String[] args)

{

Person pat = new Person("Pat Campo", 1977);

System.out.println(pat);

System.out.println(pat.getAge());

Student s = new Student("Jim Bo", 2007, 123456789, "Lockerby");

System.out.println(s);

System.out.println(s.getAge()); //inherited

}

}

TASK – PART 5 – THE TEACHER CLASS

Here is my Teacher class:

public class Teacher extends Person

{

public String specialty;

public String school;

public Teacher(String n, int y, String sp, String sch)

{

super(n, y);

specialty = sp;

school = sch;

}

public String toString()

{

return super.toString() + " Area(s):" + specialty;

}

}

TASK – PART 6 – TEST THE TEACHER CLASS

Here is my tester class:

public class Tester

{

public static void main(String[] args)

{

Person pat = new Person("Pat Campo", 1977);

System.out.println(pat);

System.out.println(pat.getAge());

Student s = new Student("Jim Bo", 2006, 123456789, "Lockerby");

System.out.println(s);

System.out.println(s.getAge());

Teacher t = new Teacher("Mr. D.", 1968, "Social Sciences", "Xavier Academy");

System.out.println(t);

System.out.println(t.getAge());

}

}