How to run a NetBeans project in command prompt?

Question

My professor asked us to create a Java program that would be able to run in command prompt but could also be opened using NetBeans.

The program is about using the di

Answer 1

You will have a build directory inside your project. Navigate to it. Next open the classes folder.
Now here open the terminal and run java x/y
where x is the name of the package your main class is in and y is the name of that java file