class Dice This class is designed to represent one dice in a boggle game. The dice will be represented as an array of 6 characters, with one character corresponding to each side of the dice. The Dice keeps track of which letter is currently showing on top and can also be rolled to randomly pick a new configuration. Instance Variables: char sides[]: an array to store the letters on each side int top: the side currently showing on top Constructors: public Dice(String letters) The letters parameter must be a string of six characters. Initializes the size array to contain those letters. Methods: public char top() Returns the letter currently on top of the dice. public void roll() Randomly select a new number in the range 0..5 and store it in top.