Q. RunTime polymorphism is achieved by ___________

View solution

Q. An array element is accessed using

View solution

Q. If there is a pointer p to object of a base class and it contains the address of an object of a derived class and both classes contain a virtual member function abc(), then the statement p->abc(); will cause the version of abc() in the __________class to be executed.

View solution

Q. A pure virtual function is a virtual function that

View solution

Q. A static function

View solution

Q. We can output text to an object of class ostream using the insertion operator<< because

View solution

Q. The statement f1.write((char*)&obj1, sizeof(obj1));

View solution

Q. To convert from a user defined class to a basic type, you would most likely use

View solution

Q. Which of the following is not the characteristic of constructor.

View solution

Q. Name the header file to be included for the use of built in function isalnum().

View solution

Q. A class defined within another class is:

View solution

Q. What will be the values of x, m and n after the execution of the following statements?
int x, m, n;
m = 10;
n = 15;
x = ++m + n++;

View solution

Q. Which of the following will produce a value 10 if x = 9.7?

View solution

Q. The major goal of inheritance in c++ is:

View solution

Q. Consider the following class definitions:
class a
{
};
class b: protected a
{
};
What happens when we try to compile this class?

View solution

Q. Which of the following expressions is illegal?

View solution

Q. The actual source code for implementing a template function is created when

View solution

Q. Which of the following statements are true in c++?

View solution

Q. What is the error in the following code?
class t
{
virtual void print();
}

View solution

Q. A white space is :

View solution