Practice Four Pillars of OOP - 11.2 | 11. Object-Oriented Programming Concepts | Advanced Programming
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.

Typing
Memory
Math
English Adventures
Knowledge

11.2 - Four Pillars of OOP

Enroll to start learning

You’ve not yet enrolled in this course. Please enroll for free to listen to audio lessons, classroom podcasts and take practice test.

Learning

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

Define encapsulation in your own words.

💡 Hint: Think of it like a protective case for your data.

Question 2

Easy

What is inheritance?

💡 Hint: Consider how children inherit traits from parents.

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 does encapsulation refer to?

  • a) The ability to inherit from multiple classes
  • b) Hiding data and providing a controlled interface
  • c) The process of creating abstract classes

💡 Hint: Think about how you keep your personal data safe.

Question 2

Is inheritance a key feature of OOP?

  • True
  • False

💡 Hint: Consider how family traits pass down through generations.

Solve 3 more questions and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Create a Java program that includes a base class Vehicle with properties like make and model. Extend this class with subclasses for Car and Bike, demonstrating encapsulation, inheritance, and polymorphism.

💡 Hint: Think about how vehicles are similar yet have distinct features.

Question 2

Illustrate the use of all four pillars by designing a small application for an employee management system, where you define an abstract class Employee, and derive classes like FullTimeEmployee and PartTimeEmployee.

💡 Hint: Consider how different employment types affect salary calculations.

Challenge and get performance evaluation