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Questions and Answers
What is the purpose of using the final keyword in a class?
What is the purpose of using the final keyword in a class?
To prevent class inheritance
What happens when a method is declared as final in a class?
What happens when a method is declared as final in a class?
It cannot be overridden by the child class
What is the effect of declaring a class as final?
What is the effect of declaring a class as final?
It cannot be extended by any other class
Why would you use the final keyword in a method?
Why would you use the final keyword in a method?
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What is the main difference between declaring a method as final versus declaring a class as final?
What is the main difference between declaring a method as final versus declaring a class as final?
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Study Notes
The final Keyword in Java
- The
finalkeyword has two primary uses: preventing class inheritance and preventing method overriding. - When a method is declared as
final, it cannot be overridden by a child class. - Similarly, when a class is declared as
final, it cannot be extended or inherited by any other class.
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