>if i have some class only as bytecode but not as source code how do i
>integrate them to my project in a way that i could use in that classes?
import it.

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Canadian Mind Products, Roedy Green.
http://mindprod.com Java custom programming, consulting and coaching.
> if i have some class only as bytecode but not as source code how do i
> integrate them to my project in a way that i could use in that classes?
It's easiest if you can get your classes in JAR format.
Right click on your Eclipse Java project, and choose "properties".
Scroll down to "Java Build Path", and choose the "Libraries" tab. This is
where you can add JARs and folders to your class path. If you have the
external code as a JAR file, use the "Add External JAR" button.
- Oliver