1    package graphics.graph; 
2     
3    public class RandomBean { 
4        private static RandomBean rb = new RandomBean(); 
5        private boolean random; 
6     
7        private RandomBean() { 
8        } 
9     
10       public static RandomBean getRandomBean() { 
11           return rb; 
12       } 
13    
14       public void setRandom(boolean b) { 
15           random = b; 
16       } 
17    
18       public boolean getRandom() { 
19           return random; 
20       } 
21   }