All methods in an abstract base class must be declared abstract.
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Keep practicing — related questions
- All methods in an abstract class must be declared abstract
- Methods that are declared abstract in the base class must show implementation at the time of declaration.
- A class can be marked 'Abstract' even if has no abstract methods .
- An abstract class can have non abstract methods
- An abstract class can have non-abstract methods.
- A constructor can be declared abstract
- An abstract class can be instantiated.
- we cannot override a non-abstract method as abstract.