Objects and Classes Mcqs
Our collections of Multiple choice questions and answers focuses on study of Objects and Classes in OOP. These questions are chosen from a collection of most authoritative and best reference books on OOP. Our aim is to prepare an individual for competitive exams like NTS, Web Developer | IOS Developer | Game Developer | Software House interviews and jobs, University and College entrance exams and various tests and job interviews. One should practice our Mcqs to assimilate Objects and Classes of OOP comprehensively.
Object Oriented Programming Mcqs
Computer MCQS
Sciences MCQS
2.
If an object is passed by value, ____________________
3.
Pass by address passes the address of object _________ and pass by reference passes the address of the object _________
4.
If an object is passed by reference, the changes made in the function ___________
5.
Constructor function is not called when an object is passed to a function, will its destructor be called when its copy is destroyed?
6.
When an object is returned by a function, a _______________ is automatically created to hold the return value.
7.
Is the destruction of temporary object safe (while returning object)?
8.
How to overcome the problem arising due to destruction of temporary object?
9.
How many objects can be returned at once?
10.
What will be the output of the following code?
Class A
{
int i;
public : A(int n)
{
i=n; cout<<”inside constructor ”;
}
~A()
{
cout<<”destroying ”<<i;
}
void seti(int n)
{
i=n;
}
int geti()
{
return I;
}
};
void t(A ob)
{
cout<<”something ”;
}
int main()
{
A a(1);
t(a);
cout<<”this is i in main ”;
cout<<a.geti();
}
Class A
{
int i;
public : A(int n)
{
i=n; cout<<”inside constructor ”;
}
~A()
{
cout<<”destroying ”<<i;
}
void seti(int n)
{
i=n;
}
int geti()
{
return I;
}
};
void t(A ob)
{
cout<<”something ”;
}
int main()
{
A a(1);
t(a);
cout<<”this is i in main ”;
cout<<a.geti();
}