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Questions and Answers
What is the main concept of object-oriented programming (OOP) in C++?
Encapsulation
What is the purpose of a constructor in a C++ class?
Initialization of objects
What is the difference between 'is-a' and 'has-a' relationships in OOP?
Inheritance and Composition
What is the purpose of the 'public' access specifier in a C++ class?
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What is the purpose of polymorphism in OOP?
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Study Notes
Object-Oriented Programming (OOP) in C++
- The main concept of OOP is to organize and structure code using objects and classes to create reusable and modular programs.
Constructors in C++ Classes
- A constructor is a special member function that is automatically called when an object of the class is created.
- The purpose of a constructor is to initialize objects with specific values or to set default values.
Relationships in OOP
- 'Is-a' relationships describe inheritance between classes, where a child class inherits properties and behavior from a parent class.
- 'Has-a' relationships describe composition between classes, where a class contains an instance of another class.
Access Specifiers in C++ Classes
- The 'public' access specifier allows access to class members from anywhere in the program, making them accessible to all parts of the code.
Polymorphism in OOP
- Polymorphism is the ability of an object to take on multiple forms, allowing for more flexibility and generic code.
- The purpose of polymorphism is to write code that can work with objects of different classes without knowing their specific type.
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Description
Test your knowledge of object-oriented programming concepts in C++, including classes, constructors, relationships, access specifiers, and polymorphism. Understand the basics of OOP and its applications in C++ programming.
