Netbeans - Error: Could not find or load main class

Question

So I\'m making a java application in Neatbeans 7.4, been working at it for a while, everything was fine, running the project worked fine, but now when I hit run project, I g

Answer 1

1. close netbeans.
2. open netbeans again.
3. choose new project>>java application.
4. click next.
5. deselect create main class.
6. now make the application clean build run

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