JavaFX ComboBox show only arrow

Question

I want the following ComboBox:

to look like one of these:

or

The code for the ComboBox:

// ...
ComboBox<String> comboBox = new ComboBox<>();
comboBox.getItems().addAll("Present", "Sick", "Absent");
root.getChildren().add(comboBox); // previously defined
// ...

Answer 1

You could try to set the maximum height and width of the ComboBox like that

ComboBox<String> comboBox = new ComboBox<>();
comboBox.setMaxWidth(25);
comboBox.setMaxHeight(25);