#Uml staruml tutorial software#

Grouping these design elements using the package symbols improves the readability of the diagram Class Diagram Relationships The package symbol is used to group classes or interfaces that are either similar in nature or related. The interface symbol in class diagrams indicates a set of operations that would detail the responsibility of a class. The class notation without the last two compartments is called a simple class and it only contains the name of the class. The bottom one lists the class’s operations, which represents the behavior of the class. The first one shows the class’s name, while the middle one shows the class’s attributes which are the characteristics of the objects. It is represented by a rectangle with up to 3 compartments. ClassĬlasses represent the central objects in a system. We’ve listed below the most common class diagram notations. There are several class diagram notations that are used when drawing UML class diagrams.

#Uml staruml tutorial software#

They are usually used to explore domain concepts, understand software requirements and describe detailed designs. It also illustrates the operations and attributes of the classes. Scroll down to find outĬlass Diagram Definition | What is a Class Diagram?Ī class diagram is a UML diagram type that describes a system by visualizing the different types of objects within a system and the kinds of static relationships that exist among them. In this easy class diagram tutorial, we’ve covered the key areas you need to know to draw class diagrams without a struggle. At the heart of any object-oriented system is the step of designing the class structure – therefore the saying goes that class diagrams are the most popular out of the UML diagram types.