Refactoring Improving The Design Of Existing Code Addison Wesley Object Technology

Refactoring is the controllable process of systematically improving your code without writing new functionality. The goal of refactoring is to pay off technical debt. The mantra of refactoring is clean code and simple design.

Refactoring is a controllable process of improving code without creating new functionality. Design Patterns are typical solutions to the commonly occurring problems in software design.

Refactoring Improving The Design Of Existing Code Addison Wesley Object Technology 2

Clean code The main purpose of refactoring is to fight technical debt. It transforms a mess into clean code and simple design. Nice! But what’s clean code, anyway? Here are some of its features: Clean code is obvious for other programmers. And I’m not talking about super sophisticated algorithms. Poor variable naming, bloated classes and methods, magic numbers -you name it- all of that ...

Refactoring Improving The Design Of Existing Code Addison Wesley Object Technology 3

How to refactor Refactoring should be done as a series of small changes, each of which makes the existing code slightly better while still leaving the program in working order. Checklist of refactoring done right way The code should become cleaner. If the code remains just as unclean after refactoring... well, I’m sorry, but you’ve just wasted an hour of your life. Try to figure out why ...

Refactoring Improving The Design Of Existing Code Addison Wesley Object Technology 4

Much of refactoring is devoted to correctly composing methods. In most cases, excessively long methods are the root of all evil. The vagaries of code inside these methods conceal the execution logic and make the method extremely hard to understand—and even harder to change. The refactoring techniques in this group streamline methods, remove code duplication, and pave the way for future ...

Refactoring Improving The Design Of Existing Code Addison Wesley Object Technology 5

When adding a feature Refactoring helps you understand other people’s code. If you have to deal with someone else’s dirty code, try to refactor it first. Clean code is much easier to grasp. You will improve it not only for yourself but also for those who use it after you. Refactoring makes it easier to add new features. It’s much easier to make changes in clean code.

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