title: JavaFX How to change the default function of shortcut key?
body: <p>Two buttons are in VBox. If click the first button, then press "TAB", the focus frame will move to the second button. So my question is, if I wanna use the "TAB" for other function,how can I change or cancel or prevent the default function of "TAB" in JavaFX? </p>
  
  <pre><code>Button btn1 = new Button("First Button");
  Button btn2 = new Button("Second Button");
  VBox root = new VBox();
  root.getChildren().addAll(btn1,btn2);
  </code></pre>