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 | UML is just a syntax. It says nothing about how to create a model. |
| UML is well documented but little understood. |
| It was developed by Grady Booch, Jim Rumbaugh and Ivar Jacobon at Rational Software. |
| UML specifies 13 different types of diagram. Not all are used in practice. |
| UML can be extended through the use of stereotypes. |
| A use case diagram shows the functionality of the system from the outside-in. |
| Class diagrams show the static structure of the systems. |
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