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  1. using System;
  2. using System.Text;
  3.  
  4. public class Test
  5. {
  6. public static void Main()
  7. {
  8. Test b = new Test();
  9. // your code goes here
  10. StringBuilder a = new StringBuilder();
  11. a.Append(b.get() ?? "a");
  12. a.Append("c");
  13. Console.WriteLine(a.ToString());
  14. }
  15.  
  16. public string get(){
  17. return "b";
  18. }
  19. }
Success #stdin #stdout 0.02s 15740KB
stdin
Standard input is empty
stdout
bc