Practice Object-Oriented Programming (OOP) in Java - 4 | Chapter 4: Object-Oriented Programming (OOP) in Java | JAVA Foundation Course
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Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What is a class in Java?

πŸ’‘ Hint: Think of a class as a template.

Question 2

Easy

Define encapsulation.

πŸ’‘ Hint: Consider how an ATM machine protects access to a bank account.

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 encapsulation in OOP?

  • Wrapping data and methods together
  • Hiding unused data
  • Using interfaces to interact

πŸ’‘ Hint: Consider the ATM analogy.

Question 2

True or False: A class can be considered a blueprint for creating objects in OOP.

  • True
  • False

πŸ’‘ Hint: Think of how you create a house using a specific blueprint.

Solve and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Create a class called 'Employee' with attributes such as name, id, and department. Implement a constructor, a method to display details, and demonstrate its usage in a main program.

πŸ’‘ Hint: Ensure your main program creates an Employee instance and calls the display method.

Question 2

Explain polymorphism in depth and create a simple program demonstrating both method overloading and method overriding.

πŸ’‘ Hint: Implement both classes and invoke draw from both the Shape and Circle.

Challenge and get performance evaluation