JComboBox; Using an Anonymous Inner Class for Event Handling
A combo box (sometimes called a drop-down list) enables the user to select one item from a list (Fig. 14.22). Combo boxes are implemented with class
JComboBox, which extends class
JRadioButtons do. This example also demonstrates a special form of inner class that’s used frequently in event handling. The application (Figs. 14.21–14.22) uses a
JComboBox to provide a list of four image-file names from which the user can select one image to display. When the user selects a name, the application displays the corresponding image as an
Icon on a
ComboBoxTest (Fig. 14.22) contains the
main method that executes ...