Brief Introduction to Software Development Process

Brief Introduction to Software Development ProcessBrief Introduction to Software Development Process

When planning each increment, we will deliberately include univocal steps for performing different repetitive activities. Among these are the stages involving systematic analysis of current models ( or source code), identification of errors based on accumulated experience in later tasks and the modification of ready-made models, and not only those that will be developed in the future. The figure shows the processes in which increments are planned in a sequence.

Evolutionary development methods are particularly suitable for development of object-oriented software products, since object-oriented analysis, development and implementation ensure sequential improvement of a singular model. This is the case both in increments of a software product and also among increments themselves. During object-oriented analysis phase, we understand ​​the problem and where it is coming from by modeling it in terms of objects and classes of objects, their relationships and their responsibilities.

 

During object-oriented analysis phase, we solve the problem through manipulating the same objects, relationships, defined in the analysis stage, and introducing special classes, objects, relationships and responsibilities that contribute to the solution of the problem. The implementation is generally straightforward from a clearly defined set of design products. Thus, the whole software development process entails a consistent improvement and refinement of a model. Development products are mainly an extension of analysis products, and implementation products are program codes representing development products. The products of a particular increment undergo expansion and refinement during the next increment. This is strength of the paradigm from testing, because when testing refined models we can apply the refinement of the same test cases.

 

Incremental development of software products requires incremental testing of these products. Each increment adds more to software products which can be changed in both planned and unplanned ways.

 

Test sets should be changed conjointly. In the intervals between increments, as well as within the iterations, a regression testing should be performed to ensure that the changes do not negatively affect the correctly functioning program code. Cherkassian TestMatick outsourced qa and testing team provides cost-effective regression testing services to their clients as quickly as possible.

 

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