Refactoring: Improving the Design of Existing Code (Addison-Wesley Object Technology Series)

Computers & Technology

Beck, Kent

Brant, John

Roberts, Don

Martin, Fowler

Opdyke William

Programming

Addison-Wesley Professional

This classic book is the definitive real-world style guide for better Smalltalk programming. This author presents a set of patterns that organize all the informal experience successful Smalltalk programmers have learned the hard way. When programmers understand these patterns, they can write much more effective code. The concept of Smalltalk patterns is introduced, and the book explains why they work. Next, the book introduces proven patterns for working with methods, messages, state, collections, classes and formatting. Finally, the book walks through a development example utilizing patterns. For programmers, project managers, teachers and students -- both new and experienced. This book presents a set of patterns that organize all the informal experience of successful Smalltalk programmers. This book will help you understand these patterns, and empower you to write more effective code.

Smalltalk Best Practice Patterns

Pearson

Software development projects can be fun, productive, and even daring. Yet they can consistently deliver value to a business and remain under control. 
Extreme Programming (XP) was conceived and developed to address the specific needs of software development conducted by small teams in the face of vague and changing requirements. This new lightweight methodology challenges many conventional tenets, including the long-held assumption that the cost of changing a piece of software necessarily rises dramatically over the course of time. XP recognizes that projects have to work to achieve this reduction in cost and exploit the savings once they have been earned. 
Fundamentals of XP include: 
* Distinguishing between the decisions to be made by business interests and those to be made by project stakeholders. * Writing unit tests before programming and keeping all of the tests running at all times. * Integrating and testing the whole system-several times a day. * Producing all software in pairs, two programmers at one screen. * Starting projects with a simple design that constantly evolves to add needed flexibility and remove unneeded complexity. * Putting a minimal system into production quickly and growing it in whatever directions prove most valuable. 
Why is XP so controversial? Some sacred cows don't make the cut in XP: 
* Don't force team members to specialize and become analysts, architects, programmers, testers, and integrators-every XP programmer participates in all of these critical activities every day. * Don't conduct complete up-front analysis and design-an XP project starts with a quick analysis of the entire system, and XP programmers continue to make analysis and design decisions throughout development. * Develop infrastructure and frameworks as you develop your application, not up-front-delivering business value is the heartbeat that drives XP projects. * Don't write and maintain implementation documentation-communication in XP projects occurs face-to-face, or through efficient tests and carefully written code. 
You may love XP or you may hate it, but Extreme Programming Explained will force you to take a fresh look at how you develop software.

Extreme Programming Explained: Embrace Change

Addison-Wesley

Planning is critical; without it, software projects can quickly fall apart. Written by acknowledged XP authorities Kent Beck and Martin Fowler, Planning Extreme Programming presents the approaches, methods, and advice needed to plan and track a successful Extreme Programming project. The key XP philosophy: Planning is not a one-time event, but a constant process of reevaluation and course-correction throughout the lifecycle of the project. Students will learn how planning is essential to controlling workload, reducing programmer stress, increasing productivity, and keeping projects on track. Planning Extreme Programming also focuses on the importance of estimating the cost and time for each user story (requirement), determining its priority, and planning software releases accordingly.

Planning Extreme Programming

Computer Science

Follows two TDD projects from start to finish, illustrating techniques programmers can use to increase the quality of their work. The examples are followed by references to the featured TDD patterns and refactorings. This book emphasises on agile methods and fast development strategies.

Test Driven Development: By Example

Even long-time Eclipse committers will be surprised by the breadth and depth of this book. A must-read for every new Eclipse extender.--Andre Weinand, Eclipse Committer Contributing to Eclipse offersA quick step-by-step tutorial. Have your first plug-in running in less than an hour.An introduction to test-driven plug-in development. Confidently create higher quality plug-ins.The Rules of Eclipse. Seamlessly integrate your contributions with the rest of Eclipse.A design pattern tour of Eclipse. A cook's tour of Eclipse with patterns.A comprehensive tutorial. See all the techniques necessary to write production-quality contributions.Erich Gamma and Kent Beck introduce you quickly, yet thoroughly, to Eclipse, the emerging environment for software development. Instead of simply walking you through the actions you should take, Contributing to Eclipse, with its many sidebars, essays, and forward pointers, guides you through Eclipse. You will not just do. You will also understand.Whether you need to get up to speed immediately or want to better understand the design rationale behind Eclipse, Contributing to Eclipse is the Eclipse resource for you. 0321205758B10142003

Contributing To Eclipse: Principles, Patterns, And Plug-Ins

GAMMA, ERICH

“In this second edition of Extreme Programming Explained, Kent Beck organizes and presents five years’ worth of experiences, growth, and change revolving around XP. If you are seriously interested in understanding how you and your team can start down the path of improvement with XP, you must read this book.” —Francesco Cirillo, Chief Executive Officer, XPLabs S.R.L. “The first edition of this book told us what XP was—it changed the way many of us think about software development. This second edition takes it farther and gives us a lot more of the ‘why’ of XP, the motivations and the principles behind the practices. This is great stuff. Armed with the ‘what’ and the ‘why,’ we can now all set out to confidently work on the ‘how’: how to run our projects better, and how to get agile techniques adopted in our organizations.” —Dave Thomas, The Pragmatic Programmers LLC “This book is dynamite! It was revolutionary when it first appeared a few years ago, and this new edition is equally profound. For those who insist on cookbook checklists, there’s an excellent chapter on ‘primary practices,’ but I urge you to begin by truly contemplating the meaning of the opening sentence in the first chapter of Kent Beck’s book: ‘XP is about social change.’ You should do whatever it takes to ensure that every IT professional and every IT manager—all the way up to the CIO—has a copy of Extreme Programming Explained on his or her desk.” —Ed Yourdon, author and consultant “XP is a powerful set of concepts for simplifying the process of software design, development, and testing. It is about minimalism and incrementalism, which are especially useful principles when tackling complex problems that require a balance of creativity and discipline.” —Michael A. Cusumano, Professor, MIT Sloan School of Management, and author of The Business of Software “Extreme Programming Explained is the work of a talented and passionate craftsman. Kent Beck has brought together a compelling collection of ideas about programming and management that deserves your full attention. My only beef is that our profession has gotten to a point where such common-sense ideas are labeled ‘extreme.’...” —Lou Mazzucchelli, Fellow, Cutter Business Technology Council “If your organization is ready for a change in the way it develops software, there’s the slow incremental approach, fixing things one by one, or the fast track, jumping feet first into Extreme Programming. Do not be frightened by the name, it is not that extreme at all. It is mostly good old recipes and common sense, nicely integrated together, getting rid of all the fat that has accumulated over the years.” —Philippe Kruchten, UBC, Vancouver, British Columbia “Sometimes revolutionaries get left behind as the movement they started takes on a life of its own. In this book, Kent Beck shows that he remains ahead of the curve, leading XP to its next level. Incorporating five years of feedback, this book takes a fresh look at what it takes to develop better software in less time and for less money. There are no silver bullets here, just a set of practical principles that, when used wisely, can lead to dramatic improvements in software development productivity.” —Mary Poppendieck, author of Lean Software Development: An Agile Toolkit “Kent Beck has revised his classic book based on five more years of applying and teaching XP. He shows how the path to XP is both easy and hard: It can be started with fewer practices, and yet it challenges teams to go farther than ever.” —William Wake, independent consultant “With new insights, wisdom from experience, and clearer explanations of the art of Extreme Programming, this edition of Beck’s classic will help many realize the dream of outstanding software development.” —Joshua Kerievsky, author of Refactoring to Patterns and Founder, Industrial Logic, Inc. “XP has changed the way our industry thinks about software development. Its brilliant simplicity, focused execution, and insistence on fact-based planning over speculation have set a new standard for software delivery.” —David Trowbridge, Architect, Microsoft Corporation 
Accountability. Transparency. Responsibility. These are not words that are often applied to software development. In this completely revised introduction to Extreme Programming (XP), Kent Beck describes how to improve your software development by integrating these highly desirable concepts into your daily development process. The first edition of Extreme Programming Explained is a classic. It won awards for its then-radical ideas for improving small-team development, such as having developers write automated tests for their own code and having the whole team plan weekly. Much has changed in five years. This completely rewritten second edition expands the scope of XP to teams of any size by suggesting a program of continuous improvement based on: <ul>
<li>Five core values consistent with excellence in software development</li> <li>Eleven principles for putting those values into action</li> <li>Thirteen primary and eleven corollary practices to help you push development past its current business and technical limitations</li> </ul>
Whether you have a small team that is already closely aligned with your customers or a large team in a gigantic or multinational organization, you will find in these pages a wealth of ideas to challenge, inspire, and encourage you and your team members to substantially improve your software development. You will discover how to: <ul>
<li>Involve the whole team—XP style</li> <li>Increase technical collaboration through pair programming and continuous integration</li> <li>Reduce defects through developer testing</li> <li>Align business and technical decisions through weekly and quarterly planning</li> <li>Improve teamwork by setting up an informative, shared workspace</li> </ul>
You will also find many other concrete ideas for improvement, all based on a philosophy that emphasizes simultaneously increasing the humanity and effectiveness of software development. Every team can improve. Every team can begin improving today. Improvement is possible—beyond what we can currently imagine. Extreme Programming Explained, Second Edition, offers ideas to fuel your improvement for years to come.

Extreme Programming Explained: Embrace Change, 2nd Edition (The XP Series)

Andres, Cynthia

“Kent is a master at creating code that communicates well, is easy to understand, and is a pleasure to read. Every chapter of this book contains excellent explanations and insights into the smaller but important decisions we continuously have to make when creating quality code and classes.” –Erich Gamma, IBM Distinguished Engineer “Many teams have a master developer who makes a rapid stream of good decisions all day long. Their code is easy to understand, quick to modify, and feels safe and comfortable to work with. If you ask how they thought to write something the way they did, they always have a good reason. This book will help you become the master developer on your team. The breadth and depth of topics will engage veteran programmers, who will pick up new tricks and improve on old habits, while the clarity makes it accessible to even novice developers.” –Russ Rufer, Silicon Valley Patterns Group “Many people don’t realize how readable code can be and how valuable that readability is. Kent has taught me so much, I’m glad this book gives everyone the chance to learn from him.” –Martin Fowler, chief scientist, ThoughtWorks “Code should be worth reading, not just by the compiler, but by humans. Kent Beck distilled his experience into a cohesive collection of implementation patterns. These nuggets of advice will make your code truly worth reading.” –Gregor Hohpe, author of Enterprise Integration Patterns “In this book Kent Beck shows how writing clear and readable code follows from the application of simple principles. Implementation Patterns will help developers write intention revealing code that is both easy to understand and flexible towards future extensions. A must read for developers who are serious about their code.” –Sven Gorts “Implementation Patterns bridges the gap between design and coding. Beck introduces a new way of thinking about programming by basing his discussion on values and principles.” –Diomidis Spinellis, author of Code Reading and Code Quality Software Expert Kent Beck Presents a Catalog of Patterns Infinitely Useful for Everyday Programming Great code doesn’t just function: it clearly and consistently communicates your intentions, allowing other programmers to understand your code, rely on it, and modify it with confidence. But great code doesn’t just happen. It is the outcome of hundreds of small but critical decisions programmers make every single day. Now, legendary software innovator Kent Beck–known worldwide for creating Extreme Programming and pioneering software patterns and test-driven development–focuses on these critical decisions, unearthing powerful “implementation patterns” for writing programs that are simpler, clearer, better organized, and more cost effective. Beck collects 77 patterns for handling everyday programming tasks and writing more readable code. This new collection of patterns addresses many aspects of development, including class, state, behavior, method, collections, frameworks, and more. He uses diagrams, stories, examples, and essays to engage the reader as he illuminates the patterns. You’ll find proven solutions for handling everything from naming variables to checking exceptions. This book covers <ul>
<li>The value of communicating through code and the philosophy behind patterns</li> <li>How and when to create classes, and how classes encode logic</li> <li>Best practices for storing and retrieving state</li> <li>Behavior: patterns for representing logic, including alternative paths</li> <li>Writing, naming, and decomposing methods</li> <li>Choosing and using collections</li> <li>Implementation pattern variations for use in building frameworks</li> </ul>
 Implementation Patterns will help programmers at all experience levels, especially those who have benefited from software patterns or agile methods. It will also be an indispensable resource for development teams seeking to work together more efficiently and build more maintainable software. No other programming book will touch your day-to-day work more often.

Implementation Patterns

The Definitive Refactoring Guide, Fully Revamped for Ruby With refactoring, programmers can transform even the most chaotic software into well-designed systems that are far easier to evolve and maintain. What’s more, they can do it one step at a time, through a series of simple, proven steps. Now, there’s an authoritative and extensively updated version of Martin Fowler’s classic refactoring book that utilizes Ruby examples and idioms throughout–not code adapted from Java or any other environment. The authors introduce a detailed catalog of more than 70 proven Ruby refactorings, with specific guidance on when to apply each of them, step-by-step instructions for using them, and example code illustrating how they work. Many of the authors’ refactorings use powerful Ruby-specific features, and all code samples are available for download. Leveraging Fowler’s original concepts, the authors show how to perform refactoring in a controlled, efficient, incremental manner, so you methodically improve your code’s structure without introducing new bugs. Whatever your role in writing or maintaining Ruby code, this book will be an indispensable resource. This book will help you • Understand the core principles of refactoring and the reasons for doing it • Recognize “bad smells” in your Ruby code • Rework bad designs into well-designed code, one step at a time • Build tests to make sure your refactorings work properly • Understand the challenges of refactoring and how they can be overcome • Compose methods to package code properly • Move features between objects to place responsibilities where they fit best • Organize data to make it easier to work with • Simplify conditional expressions and make more effective use of polymorphism • Create interfaces that are easier to understand and use • Generalize more effectively • Perform larger refactorings that transform entire software systems and may take months or years • Successfully refactor Ruby on Rails code

Refactoring

Fields, Jay

Harvie, Shane

Fowler, Martin

Refactoring: Ruby Edition: Ruby Edition (Addison-Wesley Professional Ruby Series)

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