June 2012
Intermediate to advanced
288 pages
6h 48m
English
Content preview from Java For Dummies Quick Reference
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JOptionPane Class
Package: javax.swing
JOptionPane has a number of static methods that display generic dialog boxes for simple user interaction. It is commonly used to display error or informational messages, to get the user’s confirmation to proceed with an operation, or to get a single input value.
Fields
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Button Option Field |
Description |
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Yes or No. |
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Yes, No, or Cancel. |
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OK or Cancel. |
|
Message Type Field |
Description |
|
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Error message. |
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Informational message. |
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Warning message. |
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Question message. |
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A plain message with no icon. |
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Return Value Field |
Description |
|
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The user clicked Yes. |
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The user clicked No. |
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The user clicked OK. |
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The user clicked Cancel. |
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The user closed the dialog box. |
Methods
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Method |
Description |
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Displays the indicated message and offers the user three choices: Yes, No, and Cancel. The user’s choice is indicated by the return value. The dialog box’s title defaults to |
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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.