I don't see any error on your code, everything is well written and simple. Except trying putting PUBLIC on your Class displayer. If you encounter the same problem again try to rebuild your whole code and try to recompile the whole code. Even try restarting your personal computer.
Answer:
Create a shortcut on the toolbar
Explanation:
You can use process of elimination. alphabetizing would not help to find it quicker, but it is an easier way. Deleting all icons wouldn't help at all. And placing all icons in a folder would make it even messier. So, it is creating a shortcut. Plus, I got it right on my test :)
Answer:
chemați. mfvd5. fn. cfcfcfcfcfcfcf 4t