Refactoring

This book, now in its second edition, provides a detailed catalog of refactoring techniques.

It explains how to identify 'code smells' and apply behavior-preserving transformations to improve the design and maintainability of software.

The book includes examples in Java and JavaScript, and it emphasizes the importance of testing and small, incremental changes to minimize the risk of introducing errors.

The second edition reflects the changes in the programming landscape over the past two decades and includes new examples and techniques.