title: How to set default value in comboBox javafx?
body: <p>I need to set a default value for a <code>ComboBox</code> from an <code>ObservableArrayList</code>, I am trying to set the first value in my <code>ArrayList</code> as a default value.</p>
  
  <pre><code>List = FXCollections.observableArrayList(arrayList);
  comboBox.setItems(List);
  </code></pre>