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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is abstraction in programming?
💡 Hint: Think about operating complex machines.
Question 2
Easy
Give an example of an abstract class.
💡 Hint: Consider real-world entities.
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 the purpose of abstraction in Java?
- To expose all details of a class
- To hide complex details and show only essential features
- To make class implementation easier
💡 Hint: Consider driving a car.
Question 2
True or False: An abstract class can be instantiated.
- True
- False
💡 Hint: Think about what 'abstract' means.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Design an abstract class for a Vehicle with methods for start, stop, and a property called fuelType. Create subclasses for Car and Motorcycle that implement these methods.
💡 Hint: Think about the functionalities specific to each vehicle type.
Question 2
Consider a bank system that has an abstract class Account with an abstract method getBalance(). Implement it for CheckingAccount and SavingsAccount. Discuss the advantages of using abstraction in this case.
💡 Hint: Use the abstraction principle to maintain code clarity.
Challenge and get performance evaluation