Revisiting Object-oriented Design in Modern Java: An Evolutionary Perspective
Abstract
Object-oriented programming (OOP) has long been an essential approach in software development, and Java has consistently remained a widely used programming language that supports this paradigm. Over the years, Java has evolved to meet modern software requirements while continuing to follow object-oriented principles. Recent advancements in Java have introduced new language features that significantly influence object-oriented design practices. These developments affect how core OOP concepts such as encapsulation, inheritance, abstraction, and polymorphism are implemented in real-world applications. Modern Java encourages developers to adopt clearer and more structured design approaches. This study focuses on features such as records, sealed classes, and improved interface capabilities. These constructs help reduce repetitive code, support immutable data handling, and restrict improper inheritance, leading to more controlled and predictable class designs. By analyzing these enhancements, the paper highlights how modern Java promotes cleaner code structure, improves program safety, and enhances long-term maintainability. The study concludes that while the foundational principles of object-oriented programming remain unchanged, recent Java features provide developers with more efficient and well-organized tools to apply object-oriented design in contemporary software systems.
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