Foundations of Object-Oriented Programming in Java

Writing clean, maintainable, and scalable software requires a solid understanding of how code is structured. Object-Oriented Programming (OOP) is the industry-standard paradigm that helps you model real-world problems in your code, and Java is one of the most powerful languages to learn these concepts. In this text-based course, you will transition from writing simple, unstructured scripts to designing robust, object-oriented Java applications. You will learn how to organize your code into modular components, protect your data, and write reusable programs using proven software design principles. What you'll learn: Understand the foundational concepts of classes, objects, and state management; Apply encapsulation, inheritance, polymorphism, and abstraction to solve complex coding challenges; Implement access modifiers to secure data and control how methods are accessed; Create lightweight, immutable data carriers using modern Java records; Practice writing clean constructor logic and managing object relationships; Read and analyze structured Java code to debug and refactor existing programs. You will start with the absolute basics, learning essential terminology and class anatomy, before advancing to core OOP pillars and modern Java features. Each concept is reinforced with clear written explanations and practical code examples to build your confidence step-by-step. This course is designed for absolute beginners to Java or programming in general, with no prior object-oriented experience required. Start reading today to build a strong foundation in modern Java development.