Practice - Example: Composite Class with Arrays and Methods
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Practice Questions
Test your understanding with targeted questions
What are the three attributes of the Book class?
💡 Hint: Think about the information related to a book.
What does the displayInfo() method do?
💡 Hint: Consider what information about the book is essential.
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Interactive Quizzes
Quick quizzes to reinforce your learning
Which data types can be used in a composite class?
💡 Hint: Recall the definitions of data types used in classes.
True or False: The showRatings() method can modify the ratings.
💡 Hint: Think about the purpose of the method.
1 more question available
Challenge Problems
Push your limits with advanced challenges
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.
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.
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