Javafx how to add content to an existing tab in fxml file dynamically -

i have seen lot of answers on how add new tab existing tab pane of fxml file. need add content existing tab of tab pane. possible? if yes how do that?

ofcourse possible. follow steps :

1. assign fx:id tab in fxml
2. use fx:id bind tab instance in controller.
3. now, have instance, can add contents whenever want, using setcontent().

in fxml

... <tab fx:id="mytab"> ... 

in controller :

class mycontroller {     ...    @fxml    private tab mytab    ...     //somewhere in controller    tab.setcontent(somenode);    ... }