A super class Person with two subclasses, Student and Instructor, that inherit from Person. A person has a name and a year of birth. A student has a major, and an instructor has a salary.

Instructor.java

//Instructor.java - Jimmy Kurian

public class Instructor extends Person
{
	private double salary;

	public Instructor(String n, int byear, double s)
    {
      super(n, byear);
      salary = s;
    }

    public String toString()
    {
      return "Employee[super=" + super.toString() + ",salary=" + salary + "]";
    }
}

Person.java

//Person.java - Jimmy Kurian

public class Person
{
	private String name;
	private int birthYear;

	public Person(String n, int byear)
	{
	  name = n;
	  birthYear = byear;
	}

	public String toString()
	{
	  return "Person[name=" + name + ",birthYear=" + birthYear + "]";
	}
}

PersonTester.java

//PersonTester.java - Jimmy Kurian

public class PersonTester
{
  public static void main(String[] args)
  {
    Person a = new Person("Anil", 1992);
    Student b = new Student("Jimmy", 1919, "Information Technology");
    Instructor c = new Instructor("Mike", 1998, 95000);
    System.out.println(a);
    System.out.println(b);
    System.out.println(c);
  }
}

Student.java

//Student.java - Jimmy Kurian

public class Student extends Person
{
  private String major;

  public Student(String n, int byear, String m)
  {
     super(n, byear);
     major = m;
  }

  public String toString()
  {
    return "Student[super=" + super.toString() + ",major=" + major + "]";
  }
}