In software development, many teams race towards building features, yet often overlook the critical step of ensuring these features are reliable and maintainable from the outset. One methodology that promises stability and robustness from the very beginning is Test-Driven Development (TDD). Often regarded as a tool for disciplined developers, TDD provides a structured approach to building reliable software. But what exactly is TDD, and why has it become so integral to quality software development? Let’s dive into the core principles of TDD, explore how it works, and understand its extended benefits.