/*
  * Show the whole board
  */
 public void showJeopardyBoard() {
   boardViz.showGrid();
 }
 /*
  * Show the next question in the given category
  * Precondition: The category has at least one item remaining.
  */
 public void showQuestion(int categoryNumber) {
   boardViz.showQuestion(getItem(categoryNumber).getQuestion());
 }