April 2007
Beginner to intermediate
640 pages
13h
English
book
Rich Client Programming: Plugging into the NetBeans Platform
by Tim Boudreau, Jaroslav Tulach, Geertjan Wielenga
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Chapter FiveLookup
The Lookup class, which we introduced in Chapter 4, is used for much more than just dependency injection. In NetBeans-based applications, it is used for other purposes as well. All of these involve decoupling. This chapter will introduce some of the other ways Lookup is used in the NetBeans APIs.
The basic usage pattern remains the same for any Lookup instance, as shown in Example 5.1.
Example 5.1. Using Lookup
The code in Example 5.1 asks a Lookup for an instance of Foo. If there is at least one Foo in the Lookup, it will be returned; otherwise null will be returned.
Lookup is used pervasively in NetBeans. One way to think ...
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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.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
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.