public void valueChanged(TreeSelectionEvent e){
  firePropertyChange(AccessibleContext.ACCESSIBLE_SELECTION_PROPERTY,Boolean.valueOf(false),Boolean.valueOf(true));
}

public void valueChanged ( TreeSelectionEvent e ) { firePropertyChange ( AccessibleContext . ACCESSIBLE_SELECTION_PROPERTY , Boolean . valueOf ( false ) , Boolean . valueOf ( true ) ) ; }
tree selection listener value change method . used to fire the property change
