(软件)设计方法(转)(国外英语资料).doc

(软件)设计方法(转)(国外英语资料) Author: hxfwsk Email: hxfwsk@ Date: 2001-6-15 17:09:53 1. introduction What is the 2. (software) design? 3. (software) design process 4. (software) design basis 5. (software) design methodology 6. (software) design document 7. object oriented (software) design 8. conclusion brief introduction How did you start a new project? Do you jump into the computer and open your favorite RAD tool and start typing? Have you ever thought about what the program will perform or how the system will manipulate the data? Have you ever thought about writing down something to help remind you or clarify the logical implementation of the code youve developed? If you answer no to the first question and answer yes to the other question, you can skip this document. Otherwise, please read this article carefully. You should have a plan, a blueprint, and a concise arrangement for your problem solution at hand. You must know where you are going to get everything.! Lets see whats most difficult when developing a program that implements the functionality youve designed. What is the design of (software)? The definition given by E.S. Taylor to the design is: ... The, process, of, applying, techniques, and, principles, for, purpose, of, defining, a, device, a, process, or, a, system, in, the, sufficient, detail,, to, permit, various, its, realization., physical ... Apply various techniques and principles and use them to define in detail the process of physical realization of a device, a program, or a system. For any engineering product or system, the absolute first step in the development phase is to identify the goals of the prototype or entity that will be constructed in the future. This step is determined by a variety of intuitions and judgments. These include the experience of building a similar model, a set of principles that lead to model development, a set of criteria for initiating quality evaluation, and the process of repeating changes until the final design is finaliz