1    /* 
2    *Model a die in terms of two properties: 
3    * -order, the number of faces 
4    * -top, the value of the top face 
5     */
6    
7    package chance;
8    
9    public class Die {
10   
11       //THE INSTANCE VARIABLES (STATE)
12   
13       private int order;
14       private int top;
15   
16           //THE CONSTRUCTORS
17   
18       public Die() {
19               order = 6;
20               top = (int) ((Math.random() * 6) + 1);
21           }
22   
23       public Die( int nrOfSides){
24               order = nrOfSides;
25               top = (int) ((Math.random() * nrOfSides) + 1);
26           }
27   
28           //THE METHOD
29   
30           public int top () {
31               return top;
32           }
33   
34           public void roll () {
35               top = (int) ((Math.random() * order) + 1);
36           }
37       }
38   
39