Extreme Programming

Extreme Programming
Extreme Programming (XP) 终极编程 或许这种翻译并不准确,我们还是使用XP吧,XP的作法和我们平常知道的软件工程中提倡的做法可是绝不一样的。它提倡先写代码,代码为先,什么设计,什么文档,先交了活再说,它把代码看得比什么都重要(这和我们一些人的想法可能是一样的,可是我们觉得这并不可取)。Beck提出了这种思想,还为这个思想写了一本书,它在书中强调为了写出代码,你必须先写一个小的测试程序,这样你就对系统有了一个把握,然后再扩充系统,再进行修改。它提倡相对概念,也就是让一对儿程序员写代码,相互取长补短(在这一点上我们很支持他,两个人干活总比一个人强)。两个人在沟通的时候就有一些新的发现。它的说法和传统的软件工程想法完全不一样,传统的软件工程认为一次设计成功,然后再集中精力编程这样最好。 Beck的基本思想是以简单的模型开始,然后再向上加一些东西,然后再让这个东西向设计目标靠拢,直到成功。这样一来,组内所有成员的工作就不分了,所有的人就都得分析,编程,测试,共同开发。上面已经说过了,因为有成对的程序员进行开发,因此交流很多,因此不需要什么纸头上的东西。 这只是一种方法,初学者不要以为这就是好的。基本的,成熟的,而且是大家公认的好方法仍然是传统的软件工程方法。在计算机这门学科中并不是什么都是新的最好。因为我们在这里奉劝初学者,从最基本的开始,不要以为新理论永远是最好的。新理论是没有经过考验的,因此也是最不安全的。
Extreme programming (XP) is a software development methodology that emphasizes teamwork, communication, simplicity, feedback, and customer satisfaction. Here are some key practices for XP: 1. Planning: Planning is an essential part of XP. The team plans the project in short iterations called "sprints" and they prioritize the tasks to be done in each sprint. 2. Pair programming: Pair programming is a technique in which two programmers work together on the same computer. One programmer writes the code and the other reviews it. This helps to catch errors and improve the quality of the code. 3. Continuous integration: Continuous integration is the practice of integrating code changes into the main codebase frequently. This helps to identify and fix integration issues early in the development cycle. 4. Test-driven development: Test-driven development (TDD) is a development technique in which tests are written before the code is written. This helps to ensure that the code is correct and meets the requirements. 5. Refactoring: Refactoring is the process of improving the design of the code without changing its functionality. This helps to keep the code maintainable and flexible. 6. Simple design: XP emphasizes keeping the design of the code simple and easy to understand. This helps to reduce complexity and improve maintainability. 7. Continuous feedback: XP emphasizes continuous feedback from the customer and the team. This helps to ensure that the project is on track and meets the customer's needs. These are just some of the key practices of XP. By following these practices, the team can improve the quality of the code, reduce the risk of errors, and deliver high-quality software that meets the customer's needs.
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