Explore topic-wise MCQs in Object Oriented Programming (OOP).

This section includes 11 Mcqs, each offering curated multiple-choice questions to sharpen your Object Oriented Programming (OOP) knowledge and support exam preparation. Choose a topic below to get started.

1.

What will be the output of following program?

A. main started
B. main started hello from test()
C. hello from test() main started
D. compiler error: global objects are not allowed
Answer» D. compiler error: global objects are not allowed
Discussion
2.

#include using namespace std; int main()

A. 35
B. 20
C. 25
D. 30
Answer» C. 25
Discussion
3.

What will be the values of x, m and n after execution of the following statements? Int x, m, n;

A. x=25, m=10, n=15
B. x=27, m=10, n=15
C. x=26, m=11, n=16
D. x=27, m=11, n=16
Answer» D. x=27, m=11, n=16
Discussion
4.

#include using namespace std;

A. compiler error
B. 10 followed by garbage value
C. 10 10
D. 10 0
Answer» E.
Discussion
5.

class Test { int x;

A. 0
B. garbage value
C. compile time error
Answer» D.
Discussion
6.

#include using namespace std; class Point {

A. compiler error
B. constructor called constructor called
C. constructor called
Answer» D.
Discussion
7.

Predict the output of following C++ program

A. a non zero value
B. 0
C. compile time error
D. runtime error
Answer» B. 0
Discussion
8.

Which of the following operators are overloaded by default by the compiler?

A. both 1 and 2
B. only 1
C. only 2
D. none of the two
Answer» D. none of the two
Discussion
9.

Which of the following statements is correct for a static member function?

A. only 1 is correct
B. only 2 is correct
C. both 1 and 2 are correct
D. both 1 and 2 are incorrect
Answer» D. both 1 and 2 are incorrect
Discussion
10.

Which of the following is true about constructors.

A. all 1, 2, and 3
B. only 1 and 3
C. only 1 and 2
D. only 2 and 3
Answer» C. only 1 and 2
Discussion
11.

Which of the following is true about the following program

A. compiler error: cannot have two objects with same class name
B. compiler error in line "::t.get();"
C. compiles and runs fine
Answer» D.
Discussion