After installed, the application Java_ME_SDK_3.0.app is installed in Applications folder.
Start it, you will see the application, with a Start Page. Click
Select MIDP Application in the Projects window, and click Next>.
Modify Project Name, to Hello Java ME, and click Next.
You can accept all the default selection and click Finish.
Your first Java ME application will be generated
Now click the GREEN Run Main Project icon to run your application.
That's!