September 1998
Intermediate to advanced
970 pages
18h 42m
English
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AWT Adapters
Some of the interfaces listed in Table 9-3 require implementing a fair number of methods. Listeners, a good percentage of the time, are only interested in implementing a small subset of the methods defined by listener interfaces. For instance, it is common to implement WindowListener.windowClosing() to handle the closing of the window, without any interest in the other six events defined by the WindowListener interface.
To free developers from having to implement every method defined in a listener interface, the AWT provides a number of adapter classes that provide no-op implementations of the methods defined in the appropriate interface. For example, java.awt.event.MouseAdapter implements all of the methods defined in java.awt.event.MouseListener ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.