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Java Class File  |  1996-10-20  |  771 b   |  18 lines
  1. package java.util;
  2.  
  3. class ObserverList extends Vector {
  4.    public void notifyObservers(Observable who, Object arg) {
  5.       int i = ((Vector)this).size();
  6.  
  7.       while(true) {
  8.          --i;
  9.          if (i < 0) {
  10.             return;
  11.          }
  12.  
  13.          Observer o = (Observer)((Vector)this).elementAt(i);
  14.          o.update(who, arg);
  15.       }
  16.    }
  17. }
  18.