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Modular programming is a software design technique that emphasizes separating the functionality of a program into independent, interchangeable modules, such that each contains everything necessary to execute only one aspect of the desired functionality. A module interface expresses the elements that are provided and required by the module.
Coupling (computer programming) In software engineering, coupling is the degree of interdependence between software modules, a measure of how closely connected two routines or modules are [1], and the strength of the relationships between modules. [2] Coupling is not binary but multi-dimensional. [3] Coupling is usually contrasted with cohesion.
In object-oriented design, the dependency inversion principle is a specific methodology for loosely coupled software modules.When following this principle, the conventional dependency relationships established from high-level, policy-setting modules to low-level, dependency modules are reversed, thus rendering high-level modules independent of the low-level module implementation details.
Modularity. Broadly speaking, modularity is the degree to which a system 's components may be separated and recombined, often with the benefit of flexibility and variety in use. [1] The concept of modularity is used primarily to reduce complexity by breaking a system into varying degrees of interdependence and independence across and "hide the ...
The single-responsibility principle (SRP) is a computer programming principle that states that "A module should be responsible to one, and only one, actor." [1] The term actor refers to a group (consisting of one or more stakeholders or users) that requires a change in the module. Robert C. Martin, the originator of the term, expresses the ...
The bridge pattern is a design pattern used in software engineering that is meant to "decouple an abstraction from its implementation so that the two can vary independently", introduced by the Gang of Four. [ 1 ] The bridge uses encapsulation, aggregation, and can use inheritance to separate responsibilities into different classes.
Example of a Structured Chart. [ 1 ] A structure chart (SC) in software engineering and organizational theory is a chart which shows the breakdown of a system to its lowest manageable levels. [ 2 ] They are used in structured programming to arrange program modules into a tree. Each module is represented by a box, which contains the module's name.
References. Adapter pattern. In software engineering, the adapter pattern is a software design pattern (also known as wrapper, an alternative naming shared with the decorator pattern) that allows the interface of an existing class to be used as another interface. [ 1 ] It is often used to make existing classes work with others without modifying ...