Essential Classes: End of Trail

You have reached the end of the "Essential Classes" trail.

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Creating a GUI With JFC/Swing: Once you know how to create applications or applets, follow this trail to learn how to create their user interfaces.

Collections: Using the classes and interfaces in the collections framework you can group objects together into a single object.

Internationalization: Essential if you want to create a program that can be used by people all over the world. Furthermore, you can use the information about formatting dates, numbers, and strings in any program.