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In software and systems engineering, the phrase use case is a polyseme with two senses: . A usage scenario for a piece of software; often used in the plural to suggest situations where a piece of software may be useful.
This is a list of grammatical cases as they are used by various inflectional languages that have declension. This list will mark the case, when it is used, an example ...
The English word case used in this sense comes from the Latin casus, which is derived from the verb cadere, "to fall", from the Proto-Indo-European root ḱh₂d-. [8] The Latin word is a calque of the Greek πτῶσις, ptôsis, lit. "falling, fall". [9] The sense is that all other cases are considered to have "fallen" away from the nominative.
The built-in JavaScript libraries use the same naming conventions as Java. Data types and constructor functions use upper camel case (RegExp, TypeError, XMLHttpRequest, DOMObject) and methods use lower camel case (getElementById, getElementsByTagNameNS, createCDATASection).
Process steps for a happy path are also used in the context of a use case. In contrast to the happy path, process steps for alternate flow and exception flow may also be documented. [3] Happy path test is a well-defined test case using known input, which executes without exception and produces an expected output. [4]
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A use case analysis is the primary form for gathering usage requirements for a new software program or task to be completed. The primary goals of a use case analysis are: designing a system from the user's perspective, communicating system behavior in the user's terms, and specifying all externally visible behaviors.
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