MDK Development Cycle | MDK Wizard Configuration | Import a .war file into a new project | Export a Project into a .war File
New packages and classes must be placed in the /java folder in
order to be processed correctly by the "MDK Export to .war file" function.

Click on the java folder with the right mouse key and a context
menu opens up. Select New and from the following context menu
select Package or Class. A dialog window opens up.
Enter the package or class name and click on the 'Finish' button to create the
package or class.