Code quality refers to the attributes of software code that measure its readability, maintainability, and efficiency. High-quality code is essential for successful software development as it reduces bugs, enhances collaboration among developers, and simplifies future code updates. In this section, we cover various aspects of code quality, including important metrics, tools for assessment, and common methodologies such as Test-Driven Development (TDD) and Continuous Integration (CI). Learn how to write clean code, adhere to industry standards, and implement code review strategies that lead to better software outcomes.