计时器帮助：处理我的AP计算机科学课程的项目

In our class we are making a game. The user has to Guess words and stuff. I don't think info about the game is needed to answer my question/problem. Ok so what I am trying to do is to give the user a time limit in which they have to guess the word. Something like 15 seconds. If the user does not guess the word in 15 seconds they lose a turn. Problems:In our class we are making a game. The user has