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    package chance;
7    
8    public class Die {
9    
10       // THE INSTANCE VARIABLES (STATE)
11   
12       private int order;
13       private int top;
14   
15       // THE CONSTRUCTORS
16   
17       public Die() {
18           order = 6;
19           // the math random times sth will return a double than it is added 1 so
20           // when (int), it will chop down the decimals
21           top = (int) ((Math.random()*6)+1);
22       }
23       public Die(int nrOfSides){
24           order = nrOfSides;
25           top = (int) ((Math.random()*nrOfSides)+1);
26       }
27   
28       // THE METHODS (BEHAVIOR)
29   
30       public int top() {
31           return top;
32       }
33   
34       public void roll() {
35           top = (int) ((Math.random()* order)+1);
36       }
37   }
38