public void addDestination(String scannedDestination) {
   DefaultListModel listModel = (DefaultListModel) destinationsList.getModel();
   int lastPosition = listModel.getSize();
   listModel.add(lastPosition, scannedDestination);
 }
 public void addToUnloadPlatesList(String scannerInput) {
   DefaultListModel listModel = (DefaultListModel) failedPlatesList.getModel();
   int lastPosition = listModel.getSize();
   listModel.add(lastPosition, scannerInput);
 }