Question

Implement a super class Person. Make two classes, Student and instructor, inherit from Person. A person has a name and a year of birth. A student has a major and an instructor has a salary. Write the class definitions, the constructors, and the methods toString for all classes. Supply a test program that test these classes and methods C: WINNT System321cmd.exe Student name : Haurice Dusseault Student's Date of Birth: 1979 Student's najor:- Computer Science Instructon's name: Satyendra Narayan Instructor's Birth: 1969 Instructor's salar :65000.0 Press any key to continue -. .
Please send me this answer using netbeans in java programming with sample output in caption shown in picture

Answer 1

Hi,
The following are the Java classes - Person.java, Student.java and Instructor.java. The class PersonTest.java is the test program that creates the objects of these classes.

I have added comments in the code for your reference.
The output and the screenshot is at the end of this answer.
If you have any changes or queries, let me know.
If this answer helps you, please upvote it.





///////////// File: Person.java /////////////
//Person Class
public class Person {
//Member variable - name and date of birth
protected String name;
protected int birthYear;
//Constructor
public Person(String newName, int newBirthYear) {
name = newName;
birthYear = newBirthYear;
}
//toString() method
@Override
public String toString() {
return "Person[name = " + name + ", birthYear=" + birthYear + "]";
}
}


///////////// File: Student.java /////////////
//Student class
public class Student extends Person {
//Member variable specific to this class
private String major;
//Constructor - to initialize the member variables
public Student(String newName, int newBirthYear, String newMajor) {
super(newName, newBirthYear);
major = newMajor;
}
//toString() method to return the value of the member variables
@Override
public String toString() {
return "Student's name: " + name + " Student's Date of Birth: " + birthYear + " Student's major:" + major;
}
}



///////////// File: Instructor.java /////////////
//Instructor class
public class Instructor extends Person {
//Member variable specific to this class
private float salary;
//Constructor - to initialize the member variables
public Instructor(String newName, int newBirthYear, float newSalary) {
super(newName, newBirthYear);
salary = newSalary;
}
//toString() method to return the value of the member variables
@Override
public String toString() {
return "Instructor's name: " + name + " Instructor's Birth: " + birthYear + " Instructor's salary: " + salary;
}
}




///////////// File: PersonTest.java /////////////

public class PersonTest {
public static void main(String[] args) {
//Create objects of Person, Student and Instructor with the data given in the instructions
Person newPerson = new Person("John Greenhouse", 1959);
Student newStudent = new Student("Maurice Dusseault", 1979, "Computer Science");
Instructor newInstructor = new Instructor("Satyendra Narayan", 1969, 65000.0f);
//Print the objects
System.out.println(newPerson);
System.out.println(newStudent);
System.out.println(newInstructor);
}
}






///////////// Output /////////////