May 2024
Intermediate to advanced
889 pages
37h 5m
English
Content preview from Java Programming by Pearson
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444 • Java Programming
In the other anonymous inner class inside the addKeyListener method, the KeyAdapter class has been
extended and in it written the keyPressed method. Now depending on three keys ‘R’, ‘G’ and ‘B’, the
foreground color is changed to red, green and blue, respectively.
15.11 PONDERABLE POINTS
1. An event is any happening or occurring.
2. There are two main models for handling events in Java: The old model is known as Inheritance Event
Model and the new one Delegation Event Model. For implementing event-handling mechanism
using Delegation Event Model, the package java.awt.event must be imported.
3. Event model ...
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