1    
2    /* 
3     * model a die in terms of two properties: 
4     * - order, the number of faces 
5     * - top, the value of the top face 
6     */
7    
8    package chance;
9    
10   public class Die {
11   
12       private int order;
13       private int top;
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   
25       public int top() {
26           return top;
27       }
28   
29       public void roll() {
30           top = (int) ((Math.random() * order) + 1);
31       }
32   }
33