Practice Access Modifiers (4.10) - Chapter 4: Object-Oriented Programming (OOP) in Java

Practice: Access Modifiers

Lesson 4.10Object-Oriented Programming (OOP) in Java

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9 questions

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2 cards from this section. Quick, good the night before a test.
Exercise
6 questions · about 4 min · pass mark 70%. Hints available.
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Quiz
3 questions · about 2 min · pass mark 70%. Hints available.
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6 sample questions

Question 1.
What does the private access modifier do?
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Think about who can see private members.
Question 2.
What happens if no access modifier is specified?
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Consider where the access is limited.
3Question 3.
Which access modifier allows access from any class in any package?
- Private
- Protected
- Public
- Default
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Think about the broadest visibility.
4Question 4.
True or False: A protected member is inaccessible outside of its package.
- True
- False
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Remember the subclass rule.
Question 5.
Design a class hierarchy for a library system with books, members, and staff. Implement proper access modifiers for each component to manage access rights appropriately.
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Think about who needs access to what information and structure accordingly.
Question 6.
Create a Java program to demonstrate the functionality of private, protected, default, and public access modifiers through functionality, ensuring that each modifier's access level is functional.
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Write test cases that show what works and what doesn't based on the access level used.

5 more questions in this section. Enroll free to practise them all.