check the following:
- are the actions in the same project?
- did you make a typo (case sensitivity)
- are the classes in a source directory?
- are they automatically build (you need a .class file)
Thanks for the quick answer, but here is the structure of my project
inside sources directory i have this:
The java file appears in the form class, in the bin directory.
inside bin directory i have this:
Is this right?
I don't know if this struture is in the right form. But, i would like to maintain this structure.