Importing/using custom package

Hello all,
I've been having trouble find a solution (likely because I'm not sure how to properly word this question, so bear with me).
FYI, I'm not really sure what I need to do here... this is a gap in my Java knowledge.
I've written a custom class with a static method that I'd like to use in other programs. In trying to figure out how to do this, I've reviewed sections of the Sun tutorials including Packages. I've created a custom lib folder and I've added it to my system CLASSPATH. I'm using Eclipse and when I try to import my custom package, it recognizes the package subfolders I have nested in the lib folder, but I get errors stating the package cannot be resolved. What do I need to place in this custom folder? .class file? .jar file? I have tried both From what I can tell, Eclipse recognizes it as a valid location (path-wise), but something's not, hence the error.
I've done some searching on the forums and web, but I haven't come up with anything... again, because I'm not really sure what exact keywords to search for.
Can anyone give me some ideas, or point me to specific documentation/threads relating to this?
Thanks!

Thok wrote:
kajbj wrote:
Eclipse ignores the system classpath. You should instead configure the classpath for your project.
KajAh, that explains it. Okay, that worked; I added the custom code as an external jar in the build path and it works. Is this the recommended method, or is there a "preferred" way? Or does it matter at all?
It's the way that Eclipse wants to see it.
Every IDE is a variation on that theme.
App servers all want to see CLASSPATH their way, too.
The one thing they all have in common is that they ignore a system CLASSPATH environment variable. I don't have one, because it's pretty much useless.
%

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