Observer Example (4/4)
public static void main(String argv[]) {
FileSystemMonitor fsmonitor = new FileSystemMonitor();
fsmonitor.addApplication(app1);
fsmonitor.addApplication(app2);
fsmonitor.addApplication(app3);
FileSystemNotifier fsnotifier = new FileSystemNotifier();
FileSystemObserver fsobserver = new FileSystemAdapter(fsmonitor);
fsnotifier.addObserver(fsobserver);
fsnotifier.notify(app1,FileSystemObserver.FILE_ADDED);
fsnotifier.notify(app3,FileSystemObserver.FILE_REMOVED);
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