- class Uni { 
- 		Ball() { 
- 			super(); 
- 		} 
- 	} 
- 	public static void-  main  (String[]-  args ) {
 
- 		try { 
- 		  new Uni().ballpls(); // !! 
- 		} catch (final Ball ball) {} 
- 	} 
- 	void ballpls() throws Ball { 
- 		throw new Ball(); 
- 	} 
- } 
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