Back-End Programming Exam > Back-End Programming Videos > Learn to Program with C++: Beginner to Expert > C++ Programming Tutorials - Composition
C++ Programming Tutorials - Composition Video Lecture | Learn to Program with C++: Beginner to Expert - Back-End Programming
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73 videos|7 docs|23 tests
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FAQs on C++ Programming Tutorials - Composition Video Lecture - Learn to Program with C++: Beginner to Expert - Back-End Programming
| 1. What is composition in back-end programming? |  |
Ans. Composition in back-end programming refers to the practice of combining different components or modules to create a larger and more complex system or application. It involves creating relationships between smaller units of code to achieve a desired functionality or behavior.
| 2. How does composition differ from inheritance in back-end programming? | |
Ans. Composition and inheritance are both ways to achieve code reuse, but they differ in their approach. Inheritance allows a class to inherit properties and methods from another class, creating an "is-a" relationship. On the other hand, composition involves creating relationships between objects by including instances of other classes as member variables, creating a "has-a" relationship.
| 3. What are the advantages of using composition in back-end programming? | |
Ans. Composition offers several advantages in back-end programming. It promotes code reuse, as smaller components can be combined to create larger and more complex systems. It also allows for better modularity and flexibility, as components can be easily replaced or modified without affecting the entire system. Additionally, it helps in creating loosely coupled systems, making them easier to understand, test, and maintain.
| 4. Can composition be used in conjunction with other programming concepts? | |
Ans. Yes, composition can be used in conjunction with other programming concepts like interfaces and polymorphism. By using interfaces, different components can be composed together as long as they adhere to a common set of behaviors. Polymorphism allows objects of different classes to be treated as instances of a common superclass, enabling composition to be more flexible and adaptable.
| 5. How can composition be implemented in back-end programming languages like C? | |
Ans. In C, composition can be implemented by creating structures that include instances of other structures as member variables. These member variables represent the composed components and can be accessed using dot notation. By organizing structures in a hierarchical manner, more complex systems can be built using composition. Additionally, function pointers can be used to achieve composition of behavior, allowing different components to have varying implementations of shared functionality.
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Nov 22, 2024 Last updated |
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