class Base
{
public: int a;
protected: int b;
private: int c;
};
 
class Derived : Base
{
    int d;
    friend Friend;
};
class Friend
{
    Derived derived;
};

 

Câu hỏi liên quan

• If the definition of external variable occurs in the source file before its use in a particular function, then there is no need for an extern declaration in the function

• C++ programming language was designed and developed by ___ at ___.

• Which of the following statements are correct about an array?

  1. The array int num[26]; can store 26 elements
  2. The expression num[1] designates the very first element in the array
  3. It is necessary to initialize the array at the time of declaration.
  4. The declaration num[SIZE] is allowed if SIZE is a macro.

ZUNIA12

• What will be output when you will execute following c code?

• “My Variable” is a valid identifier in C++.

• Point out a error of the following program

• What will be output of following program?

• Point out a error in the following program

• What is output?

• Evaluate !(1 && !(0 || 1))

• What is output?

• There can be a null reference.

• Which of the following statements are correct about this function

• Member functions of a class are normally made ___ and data members of a class are normally
  made ___ .

• What is output?

• What is output of program?

• Đoạn lệnh sau có kết quả bao nhiêu?

  

• One cannot use enumerations in a class.

•  What is output?

• What will be output of following program?