Practice Example - 1.5 | Chapter 12: Inheritance, Interface, and Polymorphism | ICSE Class 12 Computer Science
K12 Students

Academics

AI-Powered learning for Grades 8–12, aligned with major Indian and international curricula.

Professionals

Professional Courses

Industry-relevant training in Business, Technology, and Design to help professionals and graduates upskill for real-world careers.

Games

Interactive Games

Fun, engaging games to boost memory, math fluency, typing speed, and English skills—perfect for learners of all ages.

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What is inheritance in Java?

💡 Hint: Think about code reuse.

Question 2

Easy

What is an interface?

💡 Hint: Focus on the concept of contracts.

Practice 4 more questions and get performance evaluation

Interactive Quizzes

Engage in quick quizzes to reinforce what you've learned and check your comprehension.

Question 1

What is inheritance in Java?

  • A method of destroying objects
  • A mechanism for code reuse
  • A way to create new variables

💡 Hint: Think about how classes are structured to share code.

Question 2

True or False: Interfaces allow a class to inherit from multiple parents.

  • True
  • False

💡 Hint: Consider the flexibility of interfaces compared to regular classes.

Solve 1 more question and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Design a mini-application in Java that utilizes both inheritance and interfaces. Explain your class hierarchy and interface implementations.

💡 Hint: Consider using animals as classes and behaviors as interfaces.

Question 2

Explain how you would implement polymorphism via method overriding in a different scenario with real-world objects.

💡 Hint: Think about different types of vehicles and how they drive differently.

Challenge and get performance evaluation