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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What are the three attributes of the Book class?
💡 Hint: Think about the information related to a book.
Question 2
Easy
What does the displayInfo() method do?
💡 Hint: Consider what information about the book is essential.
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
Which data types can be used in a composite class?
- Primitive types only
- User-defined types only
- Both primitive and user-defined types
💡 Hint: Recall the definitions of data types used in classes.
Question 2
True or False: The showRatings() method can modify the ratings.
- True
- False
💡 Hint: Think about the purpose of the method.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Design a composite class Library that can manage multiple Book objects. Include methods for adding, removing, and listing all books.
💡 Hint: Consider how to store and access multiple instances of classes.
Question 2
Implement error handling in the showRatings() method to manage situations where the ratings array may contain invalid values (e.g., ratings outside a defined range).
💡 Hint: Think about how to validate data before processing.
Challenge and get performance evaluation