Hi I ve tried starting koans on Android Studio 2 2 However i kotlinlang #getting-started

Hi, I've tried starting koans on Android Studio 2....

arimeidan

10/03/2016, 3:45 PM

Hi, I've tried starting koans on Android Studio 2.2, However i get this compilation error:

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Error:(8, 97) java: cannot find symbol
  symbol:   class Mailer
  location: class i_introduction._7_Nullable_Types.JavaCode7