We use cookies to ensure you have the best browsing experience on our website. Please read our cookie policy for more information about how we use cookies.
  • HackerRank Home

    HackerRank

  • |
  • Prepare
  • Certify
  • Compete
  • Hiring developers?
  1. Prepare
  2. Java
  3. Object Oriented Programming
  4. Java Inheritance II

Java Inheritance II

Problem
Submissions
Leaderboard
Discussions
Editorial

Write the following code in your editor below:

  1. A class named Arithmetic with a method named add that takes integers as parameters and returns an integer denoting their sum.
  2. A class named Adder that inherits from a superclass named Arithmetic.

Your classes should not be be .

Input Format

You are not responsible for reading any input from stdin; a locked code stub will test your submission by calling the add method on an Adder object and passing it integer parameters.

Output Format

You are not responsible for printing anything to stdout. Your add method must return the sum of its parameters.

Sample Output

The main method in the Solution class above should print the following:

My superclass is: Arithmetic
42 13 20

Author

Shafaet

Difficulty

Easy

Max Score

10

Submitted By

205766

Need Help?


View discussions
View editorial
View top submissions

rate this challenge

MORE DETAILS

Download problem statement
Download sample test cases
Suggest Edits
  • Blog
  • Scoring
  • Environment
  • FAQ
  • About Us
  • Support
  • Careers
  • Terms Of Service
  • Privacy Policy