UML diagrams represents – Static as well as Dynamic views of a system, by using UML tools you can draw – class diagrams, activity diagrams, sequence diagrams, use case diagrams etc. In fact, the UML diagrams makes coding part easier in complex systems, so the time you would spent in drawing will save you a lot of time (later, during development/implementation phase). UML, created by OMG (Object Management Group), has now become the standard approach to software modelling. It is typically used in the design phase of object oriented software development process, to express the thought in graphical representation, to visualize the system and so on. Unified Modelling Language (UML) is a modelling languages.
