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.
Practice Questions
Test your understanding with targeted questions
Define encapsulation in your own words.
💡 Hint: Think of it like a protective case for your data.
What is inheritance?
💡 Hint: Consider how children inherit traits from parents.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What does encapsulation refer to?
💡 Hint: Think about how you keep your personal data safe.
Is inheritance a key feature of OOP?
💡 Hint: Consider how family traits pass down through generations.
3 more questions available
Challenge Problems
Push your limits with advanced challenges
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.
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.
Get performance evaluation
Reference links
Supplementary resources to enhance your learning experience.