8.6.2 - Use of final Keyword
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Practice Questions
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What is a final variable?
💡 Hint: Think about constants.
Give an example of a final method.
💡 Hint: Consider methods that shouldn't change.
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Interactive Quizzes
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What does the final keyword do when applied to a variable?
💡 Hint: Think about how constants work.
A final class can be subclassed. True or False?
💡 Hint: Remember what final means.
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Challenge Problems
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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.
Design a subclass attempting to override a final method from its superclass. What compilation error occurs and why?
💡 Hint: Remember that final prohibits changes!
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