Exercise: Oops Concepts

Questions for: Oops Concepts

Which of the following provides a reuse mechanism?
A:
Abstraction
B:
Inheritance
C:
Dynamic binding
D:
Encapsulation
Answer: B
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What is correct about the static data member of a class?
A:
A static member function can access only static data members of a class.
B:
A static data member is shared among all the object of the class.
C:
A static data member can be accessed directly from main().
D:
Both A and B.
Answer: D
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Which of the following access specifier is used as a default in a class definition?
A:
protected
B:
public
C:
private
D:
friend
Answer: C
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Which of the following is used to make an abstract class?
A:
Declaring it abstract using static keyword.
B:
Declaring it abstract using virtual keyword.
C:
Making at least one member function as virtual function.
D:
Making at least one member function as pure virtual function.
Answer: D
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Which of the following statements is correct in C++?
A:
Classes cannot have data as protected members.
B:
Structures can have functions as members.
C:
Class members are public by default.
D:
Structure members are private by default.
Answer: B
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