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Coupling shows the relationships between modules. Cohesion shows the relationship within the module. Coupling shows the relative independence between the modules. Cohesion shows the module's relative functional strength. While creating, you should aim for low coupling, i.e., dependency among modules should be less.
Cohesion defines how the classes in Java are designed. Cohesion in Java is the principle of Object-Oriented programming. Cohesion is closely related to ensuring that the purpose for which a class is getting created in Java is well-focused and single. In other words, the more closely related stuff is grouped in a class, the higher will be the ...
Cohesion: It measures the relative function strength of a module. Coupling: It measures the relative interdependence among modules. 2. Information hiding: The fundamental of Information hiding suggests that modules can be characterized by the design decisions that protect from the others, i.e., In other words, modules should be specified that ...
Two benefits of loose coupling are reduced dependencies and simpler module replacement or updating. High Cohesion: There must be high cohesion within modules where the data and functions included in each module share the same objective toward achieving the overall vision of a product or system. High cohesion improves the module's readability ...
Function Oriented Design. Function Oriented design is a method to software design where the model is decomposed into a set of interacting units or modules where each unit or module has a clearly defined function. Thus, the system is designed from a functional viewpoint.
Software design is a mechanism to transform user requirements into some suitable form, which helps the programmer in software coding and implementation. It deals with representing the client's requirement, as described in SRS (Software Requirement Specification) document, into a form, i.e., easily implementable using programming language.
Components interact via events, allowing loose coupling, scalability, and responsiveness. Service-Oriented Architecture (SOA): divides the system into well-defined, self-contained, and loosely connected services. It encourages reusability, flexibility, and interoperability but can add complexity to dependency management. System Design Advantages:
In the object-oriented design method, the system is viewed as a collection of objects (i.e., entities). The state is distributed among the objects, and each object handles its state data. For example, in a Library Automation Software, each library representative may be a separate object with its data and functions to operate on these data.
Coupling; Cohesion; Association; Aggregation; Composition; Object. Any entity that has state and behavior is known as an object. For example, a chair, pen, table, keyboard, bike, etc. It can be physical or logical. An Object can be defined as an instance of a class. It contains an address and takes up some space in memory.
The term software engineering is the product of two words, software, and engineering. The software is a collection of integrated programs. Software subsists of carefully-organized instructions and code written by developers on any of various particular computer languages. Computer programs and related documentation such as requirements, design ...
