1    
2    
3    /*10.1 
4     * Model a die in terms of two properties: 
5     * - order, the number of faces 
6     * - top, the value of the top face 
7     */
8    
9            package chance;
10   
11   public class Die {
12   
13       // THE INSTANCE VARIABLES (STATE)
14   
15       private int order;
16       private int top;
17   
18       // THE CONSTRUCTORS
19   
20       public Die(){
21           order = 6;
22           top = (int)((Math.random() * 6) + 1);
23       }
24   
25       public Die(int nrOfSides){
26           order = nrOfSides;
27           top = (int)((Math.random() * nrOfSides) + 1);
28       }
29   
30       // THE METHODS (BEHAVIOR)
31   
32       public int top(){
33           return top;
34       }
35   
36       public void roll(){
37           top = (int)((Math.random() * order) + 1);
38       }
39   
40   }