October 2011
Beginner
432 pages
10h 18m
English
Content preview from Sams Teach Yourself Java™ in 24 Hours, Sixth Edition
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Setting Up Components to Be Heard
After you have implemented the interface needed for a particular component, you must set that component to generate user events. The ActionListener interface listens for action events, such as a button-click or the press of the Enter key. To make a JButton object generate an event, employ the addActionListener() method, as in the following:
Note
The this keyword confuses a lot of readers when they are first introduced to it. this refers to the object in which the keyword appears. So, if you create a LottoMadness class and use this in a statement inside that class, it refers to the LottoMadness object executing the code.
JButton fireTorpedos = new JButton("Fire torpedos");fireTorpedos.addActionListener(this ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
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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