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Class & Object

Class is a blueprint of an object, which define the functionality and attributes of an object.

  • Class is only the structure of an object.
  • Class is a user-defined data type.
  • class is used to create a class
class Student {
  string name;
  int age;
};

int main() {
  // new user-defined data type, so let's create a variable of that type
  Student student;
  cout << student.name << endl;
}

Types of Classes​

  • Abstract Class
  • Normal

Abstract Class​

Any class with one abstract method is called an abstract class. When we take an abstract method in a class then we need to declare a class with abstract keyword.

  • abstract keyword is used to declare a class as abstract class