1    package chance;
2    /*Attempt to model a die 
3     *-order, the number of face. 
4     *-top, the value of top face. 
5     */
6    public class Die {
7        // THE INSTANCE VARIABLES (STATE)
8    
9        private int order;
10       private int top;
11   
12   
13       // THE CONSTRUCTORS
14   
15       public Die() {
16       order = 6;
17       top = (int) ((Math.random() * 6) + 1);
18       }
19   
20       public Die(int nrOfSides) {
21           order = nrOfSides;
22           top = (int) ((Math.random() * nrOfSides) + 1);
23       }
24       // THE METHODS (BEHAVIOR)
25   
26       public int top() {
27           return top;
28           }
29   
30           public void roll() {
31            top = (int) ((Math.random()*order) + 1);
32       }
33   }