The use of a package simplifies and organizes the UML diagram, by combining multiple components into a group, hence making it easier to understand. Package Diagrams represent packages and their elements as well as the dependenciesĪmong them. The structure of object notation is quite similar to Class notations, with a slight difference, wherein, the name of the object notation is written with an underline, unlike the class name. This information minimizes the probability of software and hardware compatibility issues.Ī famous quote goes, “Object is an instance of the class.” Object diagram is a modelling technique that depicts various instances of the class as well as the relationship between them. This information is extremely useful for cases when the software has to be used on various other systems or distributed to any other group. Hardware that is used as well as the software that is running on the hardware. The Deployment Diagram or the Deployment Notation holds information about the Composite Structure Notation is quite similar to Class Notation except for the degree of the details of each part as the former is a more detailed version of Class Notation. The diagram clearly shows the internal structure of the system as well as the collaboration and interaction among the part and ports. The Composite Structure represents the relationship between different parts of the Component Notation is represented by a rectangular box with two small rectangles placed over it. Here, the internal details of the component are kept hidden, and only the name of the component is revealed. In a component diagram, a component follows data abstraction. The Component is considered as a part of the system or an executable piece of software. Class Notation is represented in a rectangular box with multiple sections each of which carries information about the class. Class Diagram or the Class Notation is the graphical representation of the ‘class’ of the program, whichĬonsists of the class name, attributes, method names, as well as information of other associated components present in the class. Structural UML Diagrams are of 6 types:Ī class is a building block of an Object-Oriented Program. These diagrams don’t carry any information about the behaviour or the action rather they only show the actors and their structure. Structural UML Diagrams represent the structure of things used in software which are the
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