How to Generate Sequence Diagram from Java?

Download Sample.zip of this tutorial and extract the zip file to any directory.
Study the source code. Read the register method in RegisterController.java to see how it works.
Create a new project by selecting Project > New from the application toolbar. In the New Project window, enter Account Registration as project name and click Create Blank Project.
Select Tools > Code > Instant Reverse Java to Sequence Diagram... from the toolbar.
In the Instant Reverse Java to Sequence Diagram window, click on Add Source Folder... button.
Select the extracted source folder src. Click Next button.
Select the method to visualize. Select src > RegisterController.java > register (String,int). Click the Next button.
You need to select a diagram to visualize the interaction. The Create new sequence diagram option is selected and diagram name is entered by default. Click Finish button.
As a result, a UML sequence diagram is formed. Let's study the diagram.

When a person invokes RegisterController's register method (message: 1), it creates an account object (message: 1.1). After that, the controller sets the id, name and age to the account object (message 1.2, 1.3, 1.4) and adds itself to the account list (message: 1.5). The invocation ends with a return (message 1.6).

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