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Difference between OOP and POP
OOP (Object Oriented Programming) and POP (Procedural Oriented Programming) are two fundamental programming paradigms. OOP organizes code around objects and their interactions, while POP organizes code around functions and procedures.
OOP (Object Oriented Programming)
OOP deals with objects and their properties. A program is structured around objects that contain both data (attributes) and behavior (methods). The major concepts of OOP are −
- Class/Objects − Blueprints and instances
- Abstraction − Hiding implementation details
- Encapsulation − Bundling data with methods that operate on it
- Polymorphism − Same interface, different behavior
- Inheritance − Reusing code from parent classes
POP (Procedural Oriented Programming)
POP deals with programs and functions. A program is divided into functions that operate on globally accessible data. Execution flows from top to bottom through a sequence of procedure calls.
Key Differences
| Feature | OOP | POP |
|---|---|---|
| Full Form | Object Oriented Programming | Procedural Oriented Programming |
| Approach | Bottom-up | Top-down |
| Division | Program divided into objects | Program divided into functions |
| Inheritance | Supported | Not supported |
| Access Control | Supported (private, public, protected) | No access modifiers |
| Data Hiding | Encapsulation hides data inside objects | Data is globally accessible |
| Polymorphism | Supported (overloading, overriding) | Not supported |
| Examples | C++, Java, Python | C, Pascal, FORTRAN |
Conclusion
OOP organizes programs around objects that encapsulate data and behavior, supporting inheritance, polymorphism, and data hiding. POP organizes programs as a sequence of function calls with globally shared data. OOP is generally preferred for large, complex applications due to better code reusability and maintainability.
