1    package bookExamples.ch19Events.observables; 
2     
3    import java.util.Observable; 
4     
5    public class ObservableBooleanArray 
6            extends Observable { 
7        private boolean b[] = null; 
8     
9        ObservableBooleanArray(boolean b[]) { 
10           this.setB(b); 
11       } 
12    
13       public boolean[] getB() { 
14           return b; 
15       } 
16    
17       public void setB(boolean[] b) { 
18           this.b = b; 
19           setChanged(); 
20       } 
21    
22   } 
23