@@ -0,0 +1,190 @@
+package ru.matevosyan.start;%0A%0A/**%0A * Created by Admin on 21.12.2016.%0A */%0Apublic interface UserAction %7B%0A%0A    int key();%0A%0A    void execute(Input input, Tracker tracker);%0A%0A    String info();%0A%7D%0A

add UserAction.java