Q. Empty parentheses following a function name in a function prototype indicate that the function does not require any parameters to perform its task.
✅ Correct Answer: (A)
true
Object Oriented Programming (OOP) MCQs | Page - 6
Dear candidates you will find MCQ questions of Object Oriented Programming (OOP) here. Learn these questions and prepare yourself for coming examinations and interviews. You can check the right answer of any question by clicking on any option or by clicking view answer button.
Q. C++ programmers concentrate on creating , which contain data members and the member functions that manipulate those data members and provide services to clients.
✅ Correct Answer: (B)
classes
Q. Which of the following is FALSE about references in C++
✅ Correct Answer: (D)
references cannot refer to constant value
Q. What will be the output of following program?
#include <iostream> using namespace std;
class Test{
public:
Test() { cout <<"Hello from Test() "; }
} a;
int main()
{
cout <<"Main Started "; return 0;
}
#include <iostream> using namespace std;
class Test{
public:
Test() { cout <<"Hello from Test() "; }
} a;
int main()
{
cout <<"Main Started "; return 0;
}
✅ Correct Answer: (C)
hello from test() main started
Q. Which of the following is true about constructors.
They cannot be virtual.
They cannot be private.
They are automatically called by new operator
They cannot be virtual.
They cannot be private.
They are automatically called by new operator
✅ Correct Answer: (B)
only 1 and 3
Q. Which of the following operators are overloaded by default by the compiler?
1) Comparison Operator ( == )
2) Assignment Operator ( = )
1) Comparison Operator ( == )
2) Assignment Operator ( = )
✅ Correct Answer: (C)
only 2
Q. Which of the following is true about inline functions and macros.
✅ Correct Answer: (D)
all of the above
Q. In C++, const qualifier can be applied to
Member functions of a class
Function arguments
To a class data member which is declared as static
Reference variables
Member functions of a class
Function arguments
To a class data member which is declared as static
Reference variables
✅ Correct Answer: (C)
all
Q. The following is the C++ style comment
✅ Correct Answer: (A)
//
Q. Which of the following statements is false?
✅ Correct Answer: (D)
main() terminates with semicolon.
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