@Override
  public void loaded() {
    Course course = (Course) parameter;
    courseNameField.textProperty().bindBidirectional(course.getNameProperty());
    universityField.textProperty().bindBidirectional(course.getUniversity().getNameProperty());

    preRequisitesTable.setItems(course.getPreRequisites());
    preRequisiteNameColumn.setCellValueFactory((q) -> q.getValue().getNameProperty());
    preRequisiteFieldColumn.setCellValueFactory((q) -> q.getValue().getFieldProperty());
  }