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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What does the final keyword do when used with a variable?
💡 Hint: Think about constants.
Question 2
Easy
Can you override a final method in a subclass?
💡 Hint: Remember the keyword's purpose.
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 happens if you try to reassign a final variable?
- The program compiles successfully
- It throws a compile-time error
- The variable can be reassigned
💡 Hint: Consider what final means.
Question 2
Can a final class be subclassed?
- True
- False
💡 Hint: Remember the definition of final classes.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Write a class containing a final method and explain its usage in your design.
💡 Hint: Consider consistency and why you need to prevent changes.
Question 2
Create an example of a final variable and a final class, explaining potential use cases.
💡 Hint: Think about constants and design essentials for utility classes.
Challenge and get performance evaluation