"You're just sitting idle again? You're a robot! Robots do something all the time. Here are a couple of exercises to keep you from rusting. But first, a few hints:"

"Hint 1:

By 'list', we usually mean an ArrayList."

"Hint 2:

A 'string' means a String object."

"Hint 3:

'Create a list of strings' most often means the following: ArrayList<String> list = new ArrayList<String>();"