September 2005
Beginner
576 pages
13h 6m
English
Content preview from SAMS Teach Yourself Programming with Java™ in 24 Hours, FOURTH EDITIONBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Workshop: Creating Your Own Component
As you may recall, one of the main advantages of object-oriented programming is the capability to reuse classes in different projects. For this hour's workshop, you will create a special panel component that can be reused in different Java programs. The component, ClockPanel, displays the current date and time in a manner similar to the ClockTalk project from Hour 7, “Using Conditional Tests to Make Decisions.”
The first step in creating your own user interface component is to decide the existing component from which to inherit. The ClockPanel component is most like a panel, so it will be a subclass of JPanel.
The ClockPanel class is defined in Listing 13.3. This class represents panel components that include ...
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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.