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