Practice Example: Composite Class With Arrays And Methods (5.6)

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9 questions

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6 sample questions

Question 1.
What are the three attributes of the Book class?
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Think about the information related to a book.
Question 2.
What does the displayInfo() method do?
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Consider what information about the book is essential.
3Question 3.
Which data types can be used in a composite class?
- Primitive types only
- User-defined types only
- Both primitive and user-defined types
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Recall the definitions of data types used in classes.
4Question 4.
True or False: The showRatings() method can modify the ratings.
- True
- False
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Think about the purpose of the method.
Question 5.
Design a composite class Library that can manage multiple Book objects. Include methods for adding, removing, and listing all books.
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Consider how to store and access multiple instances of classes.
Question 6.
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).
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Think about how to validate data before processing.

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