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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is a final variable?
💡 Hint: Think about constants.
Question 2
Easy
Give an example of a final method.
💡 Hint: Consider methods that shouldn't change.
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 does the final keyword do when applied to a variable?
- Allows reassigning values
- Prevents reassignment
- Changes values at runtime
💡 Hint: Think about how constants work.
Question 2
A final class can be subclassed. True or False?
- True
- False
💡 Hint: Remember what final means.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Write a program that demonstrates the use of final variables, methods, and classes, explaining each element's relevance.
💡 Hint: Focus on how each element serves to enforce stability in the program.
Question 2
Design a subclass attempting to override a final method from its superclass. What compilation error occurs and why?
💡 Hint: Remember that final prohibits changes!
Challenge and get performance evaluation