Practice Object-Oriented Programming Concepts - 4.10 | Chapter 4: Programming in Java | ICSE Class 12 Computer Science
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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?

💡 Hint: Think of a blueprint for a house.

Question 2

Easy

What does it mean to create an object?

💡 Hint: Remember the example of 'Student s = new Student();'.

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 OOP stand for?

  • Object-Oriented Programming
  • Open-Object Programming
  • Object Organization Programming

💡 Hint: What is the central focus of this programming method?

Question 2

True or False: A method can be overridden in a subclass.

  • True
  • False

💡 Hint: Think about how a dog might make a different sound than its parent class.

Solve and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Design a Java class model for a library system. Include classes for Book, Member, and Transaction, using inheritance, encapsulation, and polymorphism where appropriate.

💡 Hint: Identify the relationships and functionalities each class should have.

Question 2

Develop a small program that uses polymorphism to demonstrate how different shapes (Circle, Rectangle) calculate area. Use method overriding.

💡 Hint: Think about how different formulas are applied for area calculations.

Challenge and get performance evaluation