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When you version an edition of a program element, you give it a name and explicitly save its current state. When you make more changes to the code and save these changes, a new edition is created based on the versioned edition. If you decide you want to undo your changes or try a different set of changes, you can simply return to the versioned edition. For more details on editions and versioned editions, see Managing editions of your code.
Before you make any changes to your To-Do List applet class, version it so you can return to it if necessary. To version the class for your applet:
The next time you modify this class and save it, VisualAge for Java creates a new edition based on the code in this versioned edition. If you run into problems while you are making updates to your applet, you can return to the working edition of the To-Do List applet that you just created.
Editions are managed
by a team of developers in the Enterprise edition. Only owners of editions can version
them. Also, versioning is often followed by releasing. For more information on the team
development environment, see the online help or the Getting Started document for
VisualAge for Java, Enterprise Edition.
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