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Try asking on the IDE section of the forum: how to create a jar file with the IDE.

You need to figure out how to use the IDE. I don't use it so I can't help you.
Do you know how to use the java command to execute a class file?
>java classname
For you if your class is not in a...

Does this error mean that you have a class named: main that you are trying to execute?
For example: java main
and the java program can not find the main.class file?

Here is what I get with that...

I think its OK to test if the source of the event is a component by using the == operator.
I wouldn't use the try{}catch.


Can you make a small program (SSCCE) that compiles and executes to show...