Card 55 / 76: Which statement is NOT true about abstract classes?
A)
An abstract class must include the keyword abstract in its declaration.
B)
Abstract classes can be instantiated.
C)
Abstract classes contain a mixture of implemented and abstract methods.
D)
When an abstract class is extended, all of its abstract methods must be implemented by a non-abstract subclass.
Answer:
B) Abstract classes can be instantiated.
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A, C, and D are incorrect because they are true statements.
An abstract class must include the keyword abstract in its declaration.
Abstract classes contain a mixture of implemented and abstract methods.
When an abstract class is extended, all of its abstract methods must be implemented by the subclass.
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