Object oriented programming (OOP) has a rich and fascinating background that has played a significant role in shaping modern software development. OOP is a programming paradigm that revolves around the concept of objects, which can contain data in the form of fields and code in the form of procedures. The idea of OOP can be traced back to the 1960s, with the development of Simula, the first programming language to support the basic principles of OOP. It introduced the concept of classes and objects, paving the way for the OOP languages that followed. In the 1980s, OOP gained widespread popularity with the release of languages such as Smalltalk, C++, and Objective-C. These languages introduced features such as inheritance, polymorphism, and encapsulation, which are fundamental to OOP. OOP has since become the dominant paradigm in software development, with languages like Java, C#, and Python being widely used in industry. The key features of OOP, such as modularity, reusability, and flexibility, have made it a powerful and versatile approach to software development. OOP has also had a profound impact on the way software is designed and organized, leading to more efficient and maintainable code. As technology continues to advance, OOP will undoubtedly remain a crucial part of the programming landscape, continuing to evolve and influence the way we build software.