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You can't run it as an applet. You have to run it as an application.

No, it still thinks its a JApplet. What line is the error being thrown from?

When you mention you are getting an error, it helps to tell us what kind of error. To call the JFrame Super Constructor, you can just say:

public JRockPaperScissors(){
super();...

What do you mean by "hangs for a bit"? Does it just take some time to load, or does it stop responding for a few seconds and then comes back to life? If it is just taking its time, it could be your...

You do need a main to run an application. In your main, you left out the parentheses:
JRockPaperScissors test = new JRockPaperScissors();

Also, you need to take out extends JApplet and replace it...