Use a JComboBox bean to provide a selectable drop-down list. You can choose to allow direct text entry as well as selection from the list.
Use a Choice bean, rather than a JComboBox bean, if you want to use it in an AWT container. Although Swing and AWT beans can be mixed, it is inadvisable.
Adding a List or Slider Component
List and Slider Beans
Beans for Visual Composition