Procedure Oriented Programming vs Object Oriented Programming

Procedure Oriented Programming vs Object Oriented Programming

Procedure Oriented Programming

1. This approach of programming focuses in functions and procedures.

2. Programs are divided into functions,

3. Data is shared among functions and is globally accessible.

4. It is less secure because global data can be accessed by any function.

5 .Code reusability is limited.

6. This approach emphasizes on algorithms and step by step procedures.

7. Difficult to make changes in the program as it may affect whole structure.

8. Functions communicate by passing variables.

9. It has limitations to model real‒world problems.

10.For example C, FORTRAN, PASCAL are procedure oriented programming.

Object Oriented Programming

1. This approach focuses in object that combine both data and behaviour.

2. Programs are divided into classes and objects.

3. Data is encapsulated within objects and can not be accessed directly.

4. It is more secure due to data hiding and access control through encapsulation.

5. The OOP has high reusability. The reusability can be achieved through inheritance and polymorphism.

6. This approach emphasizes on data and how objects interact with each other.

7. Making modifications to extend programs is easy because objects are modular.

8. Object communicate by sending messages.

9.This approach can model real‒world entities as objects making problem solving more natural.

10. For example C++, Java, Python are object oriented programming languages.

Need for Object Oriented Programming

•  Major motivation of object oriented programming is to overcome the limitations of procedural programming.

•  The object oriented programming is used in the applications in which ‒

1. Emphasis is on data rather than procedures.

2. Programs can be divided into known objects.

3. Data needs to be hidden from the outside functions.

4. New data needs to be added frequently for maintaining the code.

5. Objects need to communicate with each other.

6. Some common properties are used by various functions.

Review Questions

1. What are the needs for object oriented paradigm

2. List out differences between procedure oriented programming and object oriented programming.