Learn C++ MCQs
Prepare C++ MCQs (Multiple choice Questions) for exam and job interviews.
What will be the output of cout << (4 + 5 * 2) << endl;
1) 14
2) 13
3) 18
4) None of the above
Answer : Option 1
What is the purpose of the destructor in C++?
1) To allocate resources
2) To deallocate resources
3) To initialize objects
4) None of the above
Answer : Option 2
Which of the following is the correct way to declare a string in C++?
1) std::string s;
2) string s;
3) Both 1 and 2
4) None of the above
Answer : Option 3
What is the output of cout << (10 - 5 * 2) << endl;
1) 0
2) 5
3) 10
4) None of the above
Answer : Option 1
What does the following code output: cout << (true && false) << endl;
1) 1
2) 0
3) true
4) false
Answer : Option 2
Which of the following is a C++ standard library container?
1) list
2) map
3) set
4) All of the above
Answer : Option 4
What is the output of cout << (6 | 3) << endl;
1) 5
2) 3
3) 7
4) None of the above
Answer : Option 1
What is the correct way to declare a constant pointer in C++?
1) const int* ptr;
2) int* const ptr;
3) Both 1 and 2
4) None of the above
Answer : Option 2
Which of the following is the correct syntax for a C++ class?
1) class MyClass { public: int x; };
2) class MyClass { int x; };
3) class MyClass { public: void func(); };
4) All of the above
Answer : Option 4
What is the output of cout << (5 + 3) * 2 << endl;
1) 16
2) 10
3) 8
4) None of the above
Answer : Option 1