August 2003
Intermediate to advanced
672 pages
16h 23m
English
book
Programmer's Guide to Java™ Certification, A: A Comprehensive Primer, Second Edition
by Khalid A. Mughal, Rolf W. Rasmussen
Content preview from Programmer's Guide to Java™ Certification, A: A Comprehensive Primer, Second Edition
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 | Programming Exercises |
| 4.1 |
Imagine you are creating an application that has a number of different tools a user may invoke. These tools need a special context to work in. The context describes the current active selection in the application. The selection consists of a reference to an arbitrary object. We wish to create a class representing an editing context that the tools may use. This class should contain the aforementioned selection reference. We do not want to allow direct manipulation of the reference, but want to have methods in the context class that allow anyone to get and set the current selection.
Write such a class. Be sure to get the ... |
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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.