Learn C++ MCQs
Prepare C++ MCQs (Multiple choice Questions) for exam and job interviews.
Which of the following is not a valid use of the `new` operator?
1) int* p = new int;
2) int* p = new int[10];
3) int* p = new int();
4) int p = new int;
Answer : Option 4
What is the correct way to define a multi-dimensional array in C++?
1) int arr[3][4];
2) int arr[4][3];
3) Both 1 and 2
4) None of the above
Answer : Option 3
What will be the output of cout << (10 >> 1) << endl;
1) 5
2) 10
3) 2
4) None of the above
Answer : Option 1
Which of the following is used to handle exceptions in C++?
1) try
2) catch
3) throw
4) All of the above
Answer : Option 4
What is the output of cout << (2 * 3 + 4) << endl;
1) 10
2) 8
3) 6
4) None of the above
Answer : Option 1
Which of the following is the correct way to declare a static member in a class?
1) static int x;
2) int static x;
3) static x;
4) None of the above
Answer : Option 1
What will be the output of cout << (4 + 3 * 2) << endl;
1) 10
2) 14
3) 7
4) None of the above
Answer : Option 1
Which of the following is used to define a virtual function in C++?
1) virtual
2) override
3) abstract
4) None of the above
Answer : Option 1
What is the output of cout << (true || false) << endl;
1) 1
2) 0
3) true
4) false
Answer : Option 1
What is the correct way to declare an array of strings in C++?
1) std::string arr[10];
2) string arr[10];
3) Both 1 and 2
4) None of the above
Answer : Option 3