1    /* 
2     * Model a die in term 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       // The instance variables (state)
11       private int order;
12       private int top;
13   
14       //The constructors
15       public Die(){
16           order = 6;
17           top = (int)((Math.random()*6)+1);
18       }
19       public Die (int nrofsides){
20           order = nrofsides;
21           top = (int) ((Math.random()*nrofsides)+1);
22       }
23       // The methods (behavior)
24       public int top(){
25           return top;
26       }
27       public void roll(){
28           top=(int) ((Math.random()*order)+1);
29       }
30   }
31