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C++ Programming - OOPS Concepts

Exercise : OOPS Concepts - General Questions
  • OOPS Concepts - General Questions
11.
Why reference is not same as a pointer?
A reference can never be null.
A reference once established cannot be changed.
Reference doesn't need an explicit dereferencing mechanism.
All of the above.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
12.
cout is a/an __________ .
operator
function
object
macro
Answer: Option
Explanation:
No answer description is available. Let's discuss.
13.
Which of the following concepts provides facility of using object of one class inside another class?
Encapsulation
Abstraction
Composition
Inheritance
Answer: Option
Explanation:
No answer description is available. Let's discuss.
14.
How many types of polymorphisms are supported by C++?
1
2
3
4
Answer: Option
Explanation:
The two main types of polymorphism are run-time (implemented as inheritance and virtual functions), and compile-time (implemented as templates).
15.
Which of the following is an abstract data type?
int
double
string
Class
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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