pstrongMartin Fowler's guide to reworking bad code into well-structured codestrongp pRefactoring improves the design of existing code and enhances software maintainability, as well as making existing code easier to understand. Original Agile Manifesto signer and software development thought leader, Martin Fowler, provides a catalog of refactorings that explains why you should refactor how to recognize code that needs refactoring and how to actually do it successfully, no matter what language you use.p ul listrongRefactoring principles strong understand the process and general principles of refactoringli listrongCode smells strong recognize bad smells in code that signal opportunities to refactorli listrongApplication improvement strong quickly apply useful refactorings to make a program easier to comprehend and changeli listrongBuilding tests strong writing good tests increases a programmer's effectivenessli listrongMoving features strongan important part of refactoring is moving eleme