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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Menus
If you're creating a program that uses a frame, you can jazz it up with a menu bar, a set of pull-down menus that is usually displayed below the title bar.
Menus in Java are created using three components: JMenuBar, JMenu, and JMenuItem.
A JMenuItem component is an item on a menu. It serves the same purpose as a button—click an item to make something happen.
A JMenu container holds JMenuItem components, lines that separate menu items, and other interface components, such as check boxes.
A JMenuBar container holds JMenu components, displaying their names.
These three work together more closely than members of the Osmond Family. For example, you could put an Exit button on a menu so users can exit the program.
This button could be put in ...
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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.