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Jackson system development (JSD) is a linear software development methodology developed by Michael A. Jackson and John Cameron in the 1980s. == History == JSD was first presented by Michael A. Jackson in 1982, in a paper called "A System Development Method".〔"(A System development method )" by M. A. Jackson, published in ''Tools and notions for program construction: An advanced course'', Cambridge University Press, 1982 〕 and in 1983 in ''System Development''.〔''System Development'', M. A. Jackson, Prentice Hall, 1983〕 Jackson System Development (JSD) is a method of system development that covers the software life cycle either directly or, by providing a framework into which more specialized techniques can fit. Jackson System Development can start from the stage in a project when there is only a general statement of requirements. However, many projects that have used Jackson System Development actually started slightly later in the life cycle, doing the first steps largely from existing documents rather than directly with the users. The later steps of JSD produce the code of the final system. Jackson’s first method, Jackson Structured Programming (JSP), is used to produce the final code. The output of the earlier steps of JSD are a set of program design problems, the design of which is the subject matter of JSP. Maintenance is also addressed by reworking whichever of the earlier steps are appropriate. JSD continued to evolve, and a few new features were introduced into the method. These are described in a 1989 collection of papers by John Cameron, ''JSP and JSD'',〔 ''JSP and JSD: The Jackson Approach to Software Development'', ed. John R. Cameron (IEEE Computer Society Press, ISBN 0-8186-8858-0, 1989) 〕 and in the 1992 version (version 2) of the LBMS JSD manual.〔''LBMS Jackson system development, Version 2.0 Method manual'' by LBMS (Learmonth, Burchett Management Systems), John Wiley & Sons, ISBN 0-471-93565-4; 1992〕 Development of the JSD method came to an end in the early 1990s as Jackson's thinking evolved into the Problem Frames Approach with the publication of ''Software Requirements and Specifications'' (1995) and ''Problem Frames: Analyzing and Structuring Software Development Problems'' (2000). 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Jackson system development」の詳細全文を読む スポンサード リンク
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