What does OOPD mean in UNCLASSIFIED

OOPD is a software design approach that emphasizes separating an application's data and behavior into distinct objects. It aims to design flexible, reusable, and maintainable code by organizing software into objects that represent real-world entities.

OOPD is based on several key principles:

• Encapsulation: Bundling data and methods together into objects.
• Abstraction: Hiding the implementation details of objects from other parts of the program.
• Inheritance: Defining new objects based on existing objects, inheriting their properties and behaviors.
• Polymorphism: Allowing objects of different classes to respond to the same message in different ways.

OOPD offers many benefits, including:

• Improved code organization: Objects help to structure code into logical units, making it easier to understand and maintain.
• Increased code reusability: Objects can be reused in different parts of an application or even in multiple applications.
• Enhanced flexibility: OOPD allows for easy modifications and extensions to existing code.
• Reduced coupling: Objects are loosely coupled, making it easier to change one part of the system without affecting others.

Some commonly used OOPD design patterns include:

• Singleton: Ensuring that only one instance of a class exists.
• Factory: Creating objects without specifying their exact class.
• Adapter: Making objects work together that would not normally be compatible.
• Decorator: Adding or modifying behavior of an object without changing its class.

Compared to other paradigms like procedural programming, OOPD emphasizes:

• Data hiding: Protecting the internal state of objects from external access.
• Object-based design: Organizing code around real-world entities.
• Reusability: Promoting code reuse through inheritance and polymorphism.
• Extensibility: Enabling easy modification and addition of new features.