Core Web Programming, Second Edition

13.17. Choice Menus

Choice entries produce pull-down menus with a single selection showing but with other options displayed when the user clicks with the mouse. These GUI controls are sometimes known as “combo boxes,” “drop-down list boxes,” or “option menus,” depending on the operating/windowing system you are using. Unlike buttons and check boxes, the entire Choice is not created with the constructor. Instead, a two-step process is required. The first step builds an empty menu, and the second adds elements to the menu with add. Creating a Choice menu and adding the menu to a panel is illustrated as follows:

Choice choice = new Choice();
choice.addItem("...");
choice.addItem("...");
...
somePanel.add(choice);

Constructor

The Choice class has ...