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Programming - Inheritance

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25.

Which methods are used to destroy the objects created by the constructor methods?

A.	finalize()	B.	get()
C.	final()	D.	post()

26.

What are abstract classes?

A.	Abstract classes are those for which instances can’t be created.	B.	Abstract classes are those for which methods can’t be created.
C.	Abstract classes are those for which variables can’t be created.	D.	Abstract classes are those for which classes can’t be created.

27.

What must a class do to implement an interface?

A.	It must provide all of the methods in the interface and identify the interface in its implements clause.	B.	It must provide all of the variables in the interface and identify the interface in its implements clause.
C.	It must provide all of the classes in the interface and identify the interface in its implements clause.	D.	It must provide all of the static variables in the interface and identify the interface in its implements clause.

28.

Which methods in the Object class are declared as final?

A.	getClass()	B.	notify()
C.	notifyAll(), and wait()	D.	All the Above

29.

Final methods can be overridden.

A.	FALSE	B.	TRUE
C.	Can't Say	D.	None

30.

Declaration of methods as final results in faster execution of the program?

A.	TRUE	B.	FALSE
C.	Can't Say	D.	None

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