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  1. /* package whatever; // don't place package name! */
  2.  
  3. import java.util.*;
  4. import java.lang.*;
  5. import java.io.*;
  6.  
  7. /* Name of the class has to be "Main" only if the class is public. */
  8. class Ideone
  9. {
  10. public static void main (String[] args) throws java.lang.Exception
  11. {
  12. foo("My message");
  13. }
  14.  
  15. static void foo(String msg) throws java.lang.Exception
  16. {
  17. throw new Exception(String.format("Could not process message '%s'", msg));
  18. }
  19. }
Runtime error #stdin #stdout #stderr 0.09s 56060KB
stdin
Standard input is empty
stdout
Standard output is empty
stderr
Exception in thread "main" java.lang.Exception: Could not process message 'My message'
	at Ideone.foo(Main.java:17)
	at Ideone.main(Main.java:12)