Exploring Object Oriented Programming Principles Through Java

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@article{1715503,
      author = {Oguntonade Moboluwaduro Adeyemi, Edward Ogheneochuko, Alfred Kenneth Omaji, Olabisi Tobi, Adewole, A.P},
      title = {Exploring Object Oriented Programming Principles Through Java},
      journal = {Iconic Research And Engineering Journals},
      year = {2026},
      volume = {9},
      number = {9},
      pages = {2890-2896},
      issn = {2456-8880},
      url = {https://www.irejournals.com/formatedpaper/1715503.pdf},
      abstract = {The rapid growth in software complexity has necessitated a shift from procedural paradigms to more structured methodologies. This study examines the core principles of Object-Oriented Programming (OOP) Abstraction, Encapsulation, Inheritance, and Polymorphism using the Java programming language. Adopting a qualitative, implementation-based research methodology, the study developed a Secure Multi-Tiered Banking Framework (SMTBF) to demonstrate the practical application of these concepts. The framework was designed with a decoupled, three-tier package structure bank.core, bank.logic, and bank.app to ensure the separation of concerns and adherence to the Single Responsibility Principle. Empirical results from the implementation phase confirm that the use of abstract base classes effectively establishes functional contracts, while private and protected access modifiers ensure data integrity. Furthermore, the successful execution of polymorphic batch processing demonstrates that OOP significantly enhances system flexibility and reduces code redundancy. The study concludes that proper application of OOP principles leads to more reliable, maintainable, and scalable software architectures, providing a robust foundation for both academic learning and professional software development.},
      keywords = {Object-Oriented Programming, Java, Encapsulation, Polymorphism, Software Architecture, Abstraction, Inheritance.},
      month = {March},
      doi = {https://doi.org/10.64388/IREV9I9-1715503}
  }