Test-Driven Development (TDD) and SOLID Principles in Java

Many developers learn programming syntax but struggle with structuring their code for long-term health. This course teaches you how to design software professionally using industry-standard TDD and SOLID principles before writing implementation code. By the end of this course, you will not just know what TDD and SOLID mean, but you will be able to apply these powerful methodologies to build flexible, testable, and maintainable Java codebases that scale effectively. What you'll learn: * Understand the core concepts of Test-Driven Development (TDD) and the fundamental Red-Green-Refactor cycle. * Practice writing high-quality unit tests using a modern Java testing framework. * Apply the five SOLID principles (SRP, OCP, LSP, ISP, DIP) to structure code for flexibility and resilience. * Design clean interfaces and separate concerns to maximize code maintainability. * Learn how to use test specifications to drive the design process rather than testing code after the fact. The course begins with foundational definitions of TDD and SOLID, followed by hands-on practice implementing a practical application step-by-step using a strict TDD approach. Emphasis is placed on the thought process behind refactoring and making sound design decisions. This course is designed for beginner Java programmers who want to transition from writing simple scripts to designing professional, well-structured software. No prior experience with TDD or advanced design patterns is required. Start building software the professional way today.