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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. interface A{
  8. void m1();
  9. }
  10. interface B{
  11. void m1(int i);
  12. }
  13. class Ideone implements A,B
  14. {
  15. public void m1(int... x)
  16. {
  17.  
  18. }
  19. public static void main (String[] args) throws java.lang.Exception
  20. {
  21. System.out.println("Hello baccho\n");
  22. }
  23. }
Compilation error #stdin compilation error #stdout 0s 0KB
stdin
Standard input is empty
compilation info
Main.java:13: error: Ideone is not abstract and does not override abstract method m1() in A
class Ideone implements A,B
^
1 error
stdout
Standard output is empty