In this way, you can overlap the arrows to make your graph look neater. N If you want the connection line to behave as a right angle, right-click the connection line and select the "Format/Line Style/Rectilinear" menu. This is to add the realization relationship of Circle and Rectangle to IShape interface. Repeat the same process to add the realization relationship for the Rectangle. L You can make Circle implement the IShape interface by selecting the arrow representing "Realization" from the toolbox and dragging from Circle to IShape. Add the relationship between classes and interfaces This is the UML standard, which means this is an interface or other pure virtual entity.ġ4. L Check the IsAbstract property boxes of IShape and getArea, and their names on the icons will become italics. In the "Properties" box, change the name of the parameter to blank, change "DirectionKind" to "RETURN", and change "Type" to dboule. Expand the IShape node in "Model Explorer", right-click the getArea method you just created, and select "Add Parameter". N You can right-click the interface icon, click the red "Operation" button in the pop-up menu, and then enter getArea. l Add a getArea method with a return value of double to the IShape interface. This will allow us to see the methods that the interface has. Still on the top toolbar, uncheck "Suppress Operations". This will change the previous round shape to a rectangle. L On the top toolbar, select the "Stereotype Display" drop-down button and change the value to "None". L From the toolbox, select "Interface" and click somewhere on the chart. (The following paragraphs are about the use of ideas, I always feel that the translation department is too good, the nine original texts have been moved up) You may notice using the "Model Explorer" on the right is faster to add these, but do however note that adding the classes and interfaces themselves in this toolbox (instead of using the toolbox on the left and clicking on the palette to create the object) will not create the objects in the diagram. Repeat the same process, adding the so-called Rectangle class and double private members _width and _height. So, set _radius to "private" in the Properties panel. L The internal data (fields/attributes) of the class are all private because they are strictly used internally by the class. In the Properties panel at the bottom right of the form, find the "Type" input box and enter double as the type of the _radius attribute. L For specific data types, in the property panel (the window on the lower right side), type by double typing in the "type" period. Right-click the target in the figure, select "Attribute" (marked in green) in "Add" in the pop-up menu, add an attribute (or domain) to it, and fill in the desired name "_radius". Double-click and rename the class to Circle. This creates a new class using the common name. Now, to actually create the diagram, select the "Class" icon from the "Toolbox" on the left side of the screen by default, and then left-click somewhere in the diagram window. Your StarUML project should now look like this: 10. Save the project immediately so that you won’t lose information if something goes wrong.įrom the "File" menu, select "Save" and select a place to save the project. Be sure to include the "JAVA Porfile" project. This determines the rules and conventions used in the project. Set the profile required by the project through the "Model/Profile." menu. Through the "Model" main menu, or right-click the selected model, you can "Add Diagram/Class Diagram": 8. Through the "Model" main menu, or right-click the selected model, you can "Add/Design Model" 7. Select the "Untitled" module in the "Model Explorer" box on the right. It is recommended that you do not check the "Set as default practice" checkbox. Then, a dialog box called: New Project By Approach will pop up. You can start the program after installation. StarUML is an open source software that is licensed under the GPL agreement (GNU Public License) and is available for free download. Installationįirst, we must first install the software that will be used. Therefore, after using SU to create a chart, you will add the remaining functional code for this stub code and fill in what each method should do. SU can generate code that reflects the structure of the class, rather than the specific actions of any object. Perform the following steps to create a UML diagram as shown below. In this tutorial, we will use SU to design a pizza. SU can also do JAVA reverse engineering to generate corresponding UML diagrams. StarUML (SU for short) is a tool for creating UML class diagrams and automatically generating Java "stub code". This is a concise manual for creating class diagrams described in Java language. StarUML is a tool for generating class diagrams and other types of unified modeling language (UML) diagrams.
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