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Qualification is an association which involves an association and a qualifier which uniquely identifies certain features of one of the associated classes. Below example explains it. Multiplicity of association changed from many – many to many to 1. Stock exchange + Ticker symbol = Company

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Object Modeling Technique (OMT)

Object Modeling Technique used in object oriented modeling and design which use the usual principles of system development like analysis, design an implementation but applying object oriented software design. Using OMT, we model design and implement the system in terms of real-world objects in the application domain. This involves the use of three different system…