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Classes and Objects in C++: Amar Taggu

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Questions and Answers

What is a class in C++?

An instance of a data member

A pre-defined data structure

A function that operates on objects

A blueprint for real-world objects (correct)

How is memory allocated for objects in C++?

Memory is allocated when a class is defined

Memory is allocated when the program starts running

Memory is allocated when functions are called

Memory is allocated only when objects are created (correct)

What does 'Private' access specifier mean in C++?

Accessible wherever the program has access to an object of the class

Accessible only within the same file

Accessible to any function in the program

Accessible to member functions of the class only (correct)

What does 'Protected' access specifier provide in C++?

Accessible only to derived classes and friend functions Signup and view all the answers

What does an object represent in C++?

A real instance of a class Signup and view all the answers

How many objects can be created from a single class in C++?

Unlimited number of objects per class Signup and view all the answers

What is the purpose of the scope resolution operator (::) in C++?

Accessing variables/functions declared in global namespace Signup and view all the answers

Why would using a normal data member to keep count of movies added to a database fail?

Every object maintains its own count Signup and view all the answers

When is a static data member in C++ initialized?

When the first object of its class is created Signup and view all the answers

What is a key feature of static data members in C++?

They are shared by all objects of the class Signup and view all the answers

How can a static member function in C++ be accessed?

By using the scope resolution operator :: along with the class name Signup and view all the answers

What is the visibility of a static data member within a class in C++?

It is visible and accessible within the class only Signup and view all the answers