How can I remove the selected row from the TableView? (JavaFX with FXML)

So I am trying to delete the highlighted row in the TableView in my program.

I have looked through a lot of tutorials online, but I really can't think of it. I followed the example of CodeMakery which is in Eclipse, but I cannot get it to work with IntelliJ (due to some obvious JDK issues?)

This is the code from CodeMakery:

private void handleDeletePerson() {
    int selectedIndex = personTable.getSelectionModel().getSelectedIndex();
    if (selectedIndex >= 0) {
        personTable.getItems().remove(selectedIndex);
    } else {
        // Nothing selected.
        Alert alert = new Alert(AlertType.WARNING);
        alert.initOwner(mainApp.getPrimaryStage());
        alert.setTitle("No Selection");
        alert.setHeaderText("No Person Selected");
        alert.setContentText("Please select a person in the table.");

        alert.showAndWait();
    }
}

      

        
        
        
      

    

Could you please help me understand how to delete the selected row?