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Which of these keywords cannot be used for a class which has been declared final?
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- extends
- abstract and extends
- abstract
- extends and abstract
- None of these
Correct Option: C
A abstract class is incomplete by itself and relies upon its subclasses to provide complete implementation. If we declare a class final then no class can inherit that class, an abstract class needs its subclasses hence both final and abstract cannot be used for a same class.
