swing - Java: Cannot be Referenced From a Static Context -


I am trying to create a frame with a panel with two buttons located at the bottom of the frame 

  Public class controlled gunnaponal {public static void main (string [] args) [JFrame frame = new viewer (); Frame.Sets (1000, 500); Frame.settlement ("bouncing ball"); Frame.setDefaultCloseOperation ((JFrame.EXIT_ON_CLOSE)); Frame.setVisible (true); } Public class viewer JFrame (JButton buttonGo = new JButton ("GO"); Jebton Button: = New Pocket ("Stop"); Japanese Appinal = New ZipTube (); Public Viewer () {aPanel.add (buttonGo); aPanel add (buttonStop); This.add (appell, borders layout.sot);}}}   
 The problem here is:  
  JFrame frame = new Viewer ();   
 This is telling me  
 
  Controlled ball. It can not be referred to by a static context    
 How do I fix this?   
 
 < p> You can do something like this:  
  Jeffrey Frame = New Controller (). New Viewer ();   
 instead:  
  JFrame frame = new viewer ();   
 But I'm not sure what it really is for you because  controlled ball  Code> JPanel  ...

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