@@ -0,0 +1,185 @@
+public class Command%0A%7B%0A    public Command (char type)%0A    %7B%0A        _type = type;%0A    %7D%0A%0A    public final char action ()%0A    %7B%0A        return _type;%0A    %7D%0A    %0A    private char _type;%0A%7D

Update Command.java