A pure virtual function is specified by placing ___ at the end of its prototype in the class
definition.

Để chú thích trên nhiều dòng lệnh trong chương trình C++, ta dùng cặp dấu nào?

 In which standard library file is the function printf( ) located?

What is the correct value to return to the operating system upon the successful completion of a program?

How many times is a do while loop guaranteed to loop?

Inheritance helps in making a general class into a more specific class.

 Which of the following correctly accesses the seventh element stored in foo, an array with 100 elements?

What is output of the following code?

 A float is 4 byte wide, whereas a double is 8 byte wide

Class members are public by default.

 A file stream is an extension of a ___ stream.

What will be the output of the program?

What is output?

New operator allocates memory blocks from the ___.

 In C++ one can define a function within another function.

Which of the following statements are correct about this function

 What is the final value of x when the code is run?

What is the output of the following code?

Static member functions can use this pointer.

 What will be the output of the program?

A long double can be used if range of a double is not enough to accommodate a real number?