A class in C++ is a blueprint for an object. It defines the data members and member functions that an object of that class will have. An object is an instance of a class. It is a real-world entity that has the data members and member functions defined by its class.

Here is a simple example of a class in C++:

class Car {
 public:
   string make;
   string model;
   int year;

   void drive() {
     std::cout << "The car is driving" << std::endl;
   }

   void stop() {
     std::cout << "The car is stopping" << std::endl;
   }
};

This class defines a car object. It has three data members: make, model, and year. It also has two member functions: drive() and stop().

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In C++, a class is a blueprint for creating objects. It defines the properties and behaviors of the objects that will be created from it.

An object is an instance of a class. It has the properties and behaviors that are defined in the class.

Here is an example of a class in C++:

C++

class Car {
public:
  string make;
  string model;
  int year;

  void drive() {
    cout << "The car is driving." << endl;
  }
};

This class defines a car object. It has three properties: make, model, and year. It also has one behavior: drive().

An object of this class can be created as follows:

C++

Car myCar;

myCar.make = "Toyota";
myCar.model = "Corolla";
myCar.year = 2023;

myCar.drive(); // Prints "The car is driving."

In this code, myCar is an object of the Car class. It has the properties make, model, and year, and it can perform the behavior drive().

The main difference between a class and an object is that a class is a blueprint, while an object is an instance of that blueprint. A class defines the properties and behaviors of an object, while an object has those properties and behaviors.