Practice What Is The Final Keyword? (8.6.1) - Statements and Scope

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6 sample questions

Question 1.
What does the final keyword do when used with a variable?
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Think about constants.
Question 2.
Can you override a final method in a subclass?
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Remember the keyword's purpose.
3Question 3.
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
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Consider what final means.
4Question 4.
Can a final class be subclassed?
- True
- False
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Remember the definition of final classes.
Question 5.
Write a class containing a final method and explain its usage in your design.
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Consider consistency and why you need to prevent changes.
Question 6.
Create an example of a final variable and a final class, explaining potential use cases.
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Think about constants and design essentials for utility classes.

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