Exercise: Oops Concepts

Questions for: Oops Concepts

Which of the following ways are legal to access a class data member using this pointer?
A:
this->x
B:
this.x
C:
*this.x
D:
*this-x
Answer: A
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Which of the following factors supports the statement that reusability is a desirable feature of a language?
A:
It decreases the testing time.
B:
It lowers the maintenance cost.
C:
It reduces the compilation time.
D:
Both A and B.
Answer: D
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Which of the following concepts is used to implement late binding?
A:
Virtual function
B:
Operator function
C:
Const function
D:
Static function
Answer: A
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Which of the following is the correct way of declaring a function as constant?
A:
const int ShowData(void) { /* statements */ }
B:
int const ShowData(void) { /* statements */ }
C:
int ShowData(void) const { /* statements */ }
D:
Both A and B
Answer: C
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Which one of the following options is correct about the statement given below? The compiler checks the type of reference in the object and not the type of object.
A:
Inheritance
B:
Polymorphism
C:
Abstraction
D:
Encapsulation
Answer: B
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