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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.  
  13.  
  14. class Super {} class Sub extends Super {}
  15. {
  16. Super x; Sub y;
  17. }
  18.  
  19.  
  20.  
  21. }
  22. }
Success #stdin #stdout 0.07s 47068KB
stdin
Standard input is empty
stdout
Standard output is empty