JTree not visible when compiled

I have a problem that my JTree is not visible when i export my project to jar file.along with a button also. I have no idea why this may be happening so maybe some of you guys have heard of this before ?the JTree is visible when running in Eclipse etcany ideas?
[289 byte] By [dgiba] at [2007-11-26 14:09:59]
# 1
This is not enough information and we'll need to see some code.
cotton.ma at 2007-7-8 1:57:14 > top of Java-index,Java Essentials,Java Programming...
# 2
JTrees shouldn't be visible when you compile, they should be visible when you run the application :)
-Kayaman-a at 2007-7-8 1:57:14 > top of Java-index,Java Essentials,Java Programming...
# 3
Using icons and loading 'em using file paths?
quittea at 2007-7-8 1:57:14 > top of Java-index,Java Essentials,Java Programming...