C++ Programming By Example - Overview of Classes and Structures

What is the correct way to declare a class in C?

• Use the 'struct' keyword followed by the class name, curly braces, and a semicolon.

• Use the 'class' keyword followed by the class name and a semicolon.

• Use the 'struct' keyword followed by the class name and a semicolon.

• Use the 'class' keyword followed by the class name, curly braces, and a semicolon.

Which access modifier allows members to be accessed outside the class?

• Internal

• Public

• Protected

• Private

What is a member function in the context of classes?

• A function that is not associated with any class.

• A function that is only accessible within the main function.

• A function that is a member of the class.

• A function that is defined outside the class.

How can you access a private member function from outside the class?

• It cannot be accessed directly from outside the class.

• By using the 'public' keyword.

• By using the 'protected' keyword.

• By calling it directly from outside the class.

What is the purpose of the 'protected' access modifier?

• To allow access to members only from the main function.

• To allow access to members from derived classes.

• To allow access to members from any class.

• To allow access to members only within the same class.

What is inheritance in object-oriented programming?

• A feature that allows a class to inherit properties from another class.

• A feature that allows a class to delete its properties.

• A feature that allows a class to hide its properties.

• A feature that allows a class to duplicate its properties.

What does the 'DRY' principle stand for in software engineering?

• Don't Repeat Yourself

• Do Repeat Yourself

• Do Reuse Yourself

• Don't Reuse Yourself