netbeans - Changing which java file runs first when opening jar -

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i'm not entirely sure how word how go changing java file in package first 1 open when compiled jar file executed?

i'm using netbeans if helps.

you can changed in netbeans. when run whole project in netbeans, first class executed there first class executed in jar file built netbeans.

you can right click project in project window , select properties. window opens, select run category in left side. on right side, there button browse , select file main class.


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