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CASE STUDY OF LIBRARY MANAGEMENT SYSTEMS

Introduction to UML 
  • The Unified Modeling Language (UML) is a standard language for specifying, visualizing, constructing, and documenting the artifacts of software systems, as well as for business modeling and other non-software systems 
  • The UML represents a collection of best engineering practices which are proven to be successful in the large and complex system modeling 
  • The UML plays a vital role in 'Object Oriented Software Development' and 'Software Development Process' 
  • The UML express the design of software projects by mostly making use of the graphical notations
  • UML helps project teams to
  • ⃝Communicate 
  • ⃝Explore potential designs 
  • ⃝Validate the architectural design of the software

Goals of UML 
The goals to be accomplished by UML are: 
  • Provide a ready-to-use and expressive visual modeling language to the Provide extensibility and specialization mechanisms to extend the core concepts 
  • Be unaffected by particular programming languages and development processes 
  • Provide a formal basis for understanding the modeling language 
  • Encourage the growth of the 00 tools market 
  • Support higher-level development concepts like collaborations, frameworks, patterns and components 
  • Integrate best practices

UML System 
  • The UML allows a software engineer to express an analysis model using the modeling notation which is under the governance of a set of syntactic, semantic and pragmatic rules 
  • UML system is represented by 5 different views which describe the system from a perspective that is distinctive and different 
  • Each view is defined by a set of diagram

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  • Design of a system consists of classes, interfaces and collaboration. UML provides class diagram, object diagram to support this. 
  • Implementation defines the components assembled together to make a complete physical system. UML component diagram is used to support implementation perspective. 
  • Deployment represents the physical nodes of the system that forms the hardware. UML deployment diagram is used to support this perspective. 
  • Process defines the flow of the system. So the same elements as used in Design are also used to support this perspective. 
  • A Use case represents the functionality of the system. So the other perspectives are connected with use case


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