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Program Design Language (or PDL, for short) is a method for designing and documenting methods and procedures in software. It is related to pseudocode , but unlike pseudocode, it is written in plain language without any terms that could suggest the use of any programming language or library.
Software design is the process of conceptualizing how a software system will work before it is implemented or modified. [1] Software design also refers to the direct result of the design process – the concepts of how the software will work which consists of both design documentation and undocumented concepts.
How to Design Programs (HtDP) is a textbook by Matthias Felleisen, Robert Bruce Findler, Matthew Flatt, and Shriram Krishnamurthi on the systematic design of computer programs. MIT Press published the first edition in 2001, and the second edition in 2018, which is freely available online and in print.
According to the Intension/Locality Hypothesis, [43] the distinction between architectural and detailed design is defined by the Locality Criterion, [43] according to which a statement about software design is non-local (architectural) if and only if a program that satisfies it can be expanded into a program that does not.
Computer programming or coding is the composition of sequences of instructions, called programs, that computers can follow to perform tasks. [1] [2] It involves designing and implementing algorithms, step-by-step specifications of procedures, by writing code in one or more programming languages.
In software engineering, a software design pattern or design pattern is a general, reusable solution to a commonly occurring problem in many contexts in software design. [1] A design pattern is not a rigid structure that can be transplanted directly into source code .
In programming language design, there are a wide variety of factors to consider. Some factors may be mutually exclusive (e.g. security versus speed). It may be necessary to consider whether a programming language will perform better interpreted, or compiled, if a language should be dynamically or statically typed, if inheritance will be in, and ...
In Principles of Program Design Jackson recognized situations that posed specific kinds of design problems, and provided techniques for handling them. One of these situations is a case in which a program processes two input files, rather than one. In 1975, one of the standard "wicked problems" was how to design a transaction-processing program.