16. A TextField object is a text component that allows for the editing of a single line of text.
17. A TextArea object is a multi-line region that displays text. It can be set to allow editing or to be
read-only. A TextArea displays multiple lines and might include scroll bars that the user can use to
scroll through the entire contents of the TextArea.
18. A menu is a list of choices. A menu bar displays a list of top-level menu choice.
19. Only Frame can have menus since they implement the MenuContainer interface. Therefore an applet
must create a frame in order to use menus.
20. Each menu item is ...
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