UML is a widely used modeling language that can be useful for designing and modeling a system.
It gives clarity on the inner working of a system by identifying and placing various essential
components. In recent years, UML diagrams have become very useful and a super powerful tool
to manage huge flows of data. In the early stages of UML diagrams, only the software develop-
ers and IT professionals were using UML diagrams to document models, systems and software.
However, now even the business people have started using them in their day-to-day work.
In this chapter, we have learnt the following:
• What is UML and ...
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