Trouble importing third party classes & using linked list in j2me

Hi!
I need to use the linked list data structure in a j2me application im developing. Al long as I know, it is not included in standard libraries.
I found the "workaround", the substitution in Jade Laepaddon. This is actually a set of classes in a directory.
I know this is extremely dumb, but I have no luck impotring these classes in my project.
Im using the WTK2.0 to compile and execute the application, but I don't have an Idea how to add a directory in the CLASSPATH.
So, the actual question should be: how to include a directory of files, so that it can be imported with:
import dirName.*;
Thanks!

Tha import problem is solved, but I'm still not able to use the LinkedList class. In the jade/util/leap there is a LinkedList.java file, but I get an error :
/home/mile/WTK2.0/apps/myGame/tmplib/jade.jar(jade/util/leap/LinkedList.java):48: class LinkedList is public, should be declared in a file named LinkedList.java
(source unavailable)
/home/mile/WTK2.0/apps/myGame/tmplib/jade.jar(jade/util/leap/LinkedList.java):48: cannot resolve symbol
symbol : class List
location: class jade.util.leap.LinkedList
(source unavailable)
/home/mile/WTK2.0/apps/myGame/tmplib/jade.jar(jade/util/leap/LinkedList.java):48: cannot resolve symbol
symbol : class Serializable
location: class jade.util.leap.LinkedList
(source unavailable)
/home/mile/WTK2.0/apps/myGame/tmplib/jade.jar(jade/util/leap/Iterator.java):41: class Iterator is public, should be declared in a file named Iterator.java
(source unavailable)
when initialising an LinkedList type object.

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