bin (Binaries)
doc (Documents)
inf (Information)
lib (Libraries)
res (Resources)
src (Source)
tst (Test)
src
|- com.enterprise_name
| |- project_name
| | |- Main.java (the main class)
| | |- model.(here all model classes)
| | |- view.(here all view classes, JFrame, Jdialog,etc)
| | | |- resources.(here all the files and images used in the views *note)
| | |- controller.(here all controller classes)
| |- lib/(here all the external libraries - dont forget add to build path)
*note if you need some resource file (xml, config file, etc) create a package .resources. in the specific place where do you need (model, controller, view)