class Person {

  protected String fname = "John";

  protected String lname = "Doe";

  protected String email = "john@doe.com";

  protected int age = 24;

}

​

class Student extends Person {

  private int graduationYear = 2018;

  public static void main(String[] args) {

    Student myObj = new Student();

    System.out.println("Name: " + myObj.fname + " " + myObj.lname);

    System.out.println("Email: " + myObj.email);

    System.out.println("Age: " + myObj.age);

    System.out.println("Graduation Year: " + myObj.graduationYear);

  }

}

​