Documenting and Delivering the System in .NET framework

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SUMMARY The purpose of documentation
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Providing maintenance information in the code Coding standards User manuals Online help What to deliver How to nalize the contract
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10.1 WHAT IS DOCUMENTATION FOR AND WHO IS GOING TO USE IT
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One thing that good software engineers and programmers are good at is creating lots of documentation. Poor programmers produce relatively little. However, we should not judge people or organizations by the amount of documents generated; quality and relevance are much more important. Quality can be de ned in many ways, but for our purposes it must mean that the document is t for its purpose. Thus we need to identify what it is to be used for, who is to use it, what they are trying to do, and to judge the quality of the document on the basis of how it helps them achieve their objectives in the best possible way. This brings us to our rst dif cult problem: People are individuals, and whereas a particular document is ideal for one person to use to achieve their task, it may be unsuitable for someone else with a different background and experience carrying out the same task under different circumstances. Some people like to have the documentation available online and others prefer a book form. This is something that should be con rmed with the client particularly in regard to the user manual for the system.
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Running an Agile Software Development Project. By Mike Holcombe Copyright # 2008 John Wiley & Sons, Inc.
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10 Documenting and Delivering the System
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We will consider some of the issues relating to the preparation of documentation and its implementation, either paper based or electronic. We will look at different types of documents for different uses documents for programmers and system maintenance, documents for users, and documents for managers.
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10.2 CODING STANDARDS AND DOCUMENTS FOR PROGRAMMERS
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A vital aspect of XP is that the code is understandable and that those reading it can be in a position to change it, update it, or develop it further as easily as possible. In this section, we will look at coding standards and how the source code should be presented. The purpose of coding standards is to ensure that all the programmers in a company produce source code to the same standard in terms of how it is structured and presented. Not all software houses will share the same style and standards, but the key point is to get used to working within the constraint of a formalized standards regime. This will be good experience for future careers. In this chapter, we will present and discuss the standards used in the Genesys Solutions company, a software house run by fourth year students at the University of Shef eld. It is an example of a set of standards that works but is not too burdensome. XP relies on the clarity and understandability of the code, and this means that we need to take a lot of care over how we write and document this. Remember one day someone may need to maintain your system, and what is obvious to you now may not be obvious to them or to you in a few months time! Maintenance is a vitally important aspect of software engineering. Maintenance can take on many forms from bug xing (perfective maintenance) to extending or changing the functionality of the system in some way. It is vital, therefore, that the programmers doing the maintenance understand fully what the system does and how it is built. They will not have access to a lot of design information we have agreed that this is often unreliable and out of date, especially if there have been requirements changes that have not been properly re ected in the designs. As we mentioned earlier, it is vital that the code is presented in a readable and understandable form. We have emphasized the need to keep things simple and to organize the code in a maintainable fashion. Some of these issues will be discussed in the following chapter. Here, we concentrate on the basics of code documentation and on coding standards. The language Java has a major facility that will help here, namely the Javadoc system. If Java is being used for the project, then Javadoc should be a mandatory part of the development method. It provides detailed information about the structure and coupling of the program at the end of the project, a Javadoc print-out ( le) should be made available. We focus here on the issue of coding standards as it is important to address these from the start.
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