Improving existing coderefactoringis one of the most common tasks youll face as a programmer.   Five Lines of Code  teaches you clear and actionable refactoring rules that you can apply without relying on intuitive judgements such ascode smells.Its written for working developers, guiding you step by step through applying refactoring patterns to the codebase of a 2D puzzle game.Following the authors expert perspectivethat refactoring and code smells can be learned by following a concrete set of principlesyoull learn when to refactor your code, what patterns to apply to what problem, and the code characteristics that indicate its time for a rework.Thanks to this hands-on guide, youll find yourself programming faster while still delivering high-quality code that your teammates will love to work with. about the technologyRefactoring is a fact of life.All code is imperfect, and refactoring is a systematic process you can use to improve the quality of your codebase. Whatever yo