May 2024
Intermediate to advanced
889 pages
37h 5m
English
Content preview from Java Programming by Pearson
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Introduction to Swing • 779
Figure 23.33 Output screen of Program 23.34
Explanation: When the fi rst menu item labelled ‘ Add item’ is selected, actionPerformed method
is called and a new menu item is added using the add method. The menu item was already created in the
beginning of the class. Similarly when second menu item labelled ‘ Remove item’ is selected, the newly
added item is removed, from the menu using the remove method.
23.22 PONDERABLE POINTS
1. A swing is a set of classes that provides more powerful and fl exible components than is possible
with the AWT. It is defi ned within the package javax.swing .
2. ...
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