Coupling And Cohesion In Object Oriented Software Pdf

coupling and cohesion in object oriented software pdf

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MEASURING COHESION AND COUPLING IN OBJECT ORIENTED SYSTEM USING JAVA REFLECTION

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In software engineering, the coupling is the degree of interdependence between software modules. Two modules that are tightly coupled are strongly dependent on each other. However, two modules that are loosely coupled are not dependent on each other. Uncoupled modules have no interdependence at all within them. A good design is the one that has low coupling. Coupling is measured by the number of relations between the modules. That is, the coupling increases as the number of calls between modules increase or the amount of shared data is large.

In software engineering , coupling is the degree of interdependence between software modules; a measure of how closely connected two routines or modules are; [1] the strength of the relationships between modules. Coupling is usually contrasted with cohesion. Low coupling often correlates with high cohesion, and vice versa. Low coupling is often a sign of a well-structured computer system and a good design, and when combined with high cohesion, supports the general goals of high readability and maintainability. Coupling can be "low" also " loose " and "weak" or "high" also "tight" and "strong".

Impact of Inheritance on Metrics for Size, Coupling, and Cohesion in Object-Oriented Systems

Work fast with our official CLI. Learn more. If nothing happens, download GitHub Desktop and try again. If nothing happens, download Xcode and try again. If nothing happens, download the GitHub extension for Visual Studio and try again. Motivation : Class cohesion , for example, is considered as one of most important object-oriented software attributes.

Coupling and Cohesion

Show all documents Ritu Tandon2 Literature almost about the software evolution genuinely introduces the erosive developments inside the software architecture at the same time as meeting the changes imposed by using the software program evolution. On this thesis, we can try to become aware of such erosive tendencies with the help of class brotherly love and coupling metrics.

Prerequisite — Coupling and Cohesion Cohesion: Cohesion is the indication of the relationship within module. It is concept of intra-module. Cohesion has many types but usually highly cohesion is good for software. Coupling: Coupling is also the indication of the relationships between modules. It is concept of Inter-module.

While the concept of inheritance is covered by special inheritance metrics its impact on other classical metrics like size, coupling or cohesion metrics is not considered; this can yield misleading measurement values and false interpretations. In this paper we present an approach to work the concept of inheritance into classical metrics and with it the related concepts of overriding, overloading and polymorphism. This is done by some language dependent flattening functions that modify the data on which the measurement will be done.

Coupling (computer programming)

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Cohesion-and-coupling

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Analysis of Cohesion and Coupling Metrics for Object Oriented System

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