Exercise: Oops Concepts

Questions for: Oops Concepts

Which of the following keyword is used to overload an operator?
A:
overload
B:
operator
C:
friend
D:
override
Answer: B
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Which of the following header file includes definition of cin and cout?
A:
istream.h
B:
ostream.h
C:
iomanip.h
D:
iostream.h
Answer: D
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Which one of the following is the correct way to declare a pure virtual function?
A:
virtual void Display(void){0};
B:
virtual void Display = 0;
C:
virtual void Display(void) = 0;
D:
void Display(void) = 0;
Answer: C
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Which of the following statements regarding inline functions is correct?
A:
It speeds up execution.
B:
It slows down execution.
C:
It increases the code size.
D:
Both A and C.
Answer: D
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In which of the following a virtual call is resolved at the time of compilation?
A:
From inside the destructor.
B:
From inside the constructor.
C:
From inside the main().
D:
Both A and B.
Answer: D
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