Java and Mac OS X

Hello,
I have some problems in here while developing in Java using Netbeans 8 with JDK 8.5.
It happens that sometimes I face some weird behavior from Java, for example, I have a small window with a button when pressed call two more windows with 500x500 bounds, and the problem is that after few changes in the code these windows are not appearign correctly, they're totally without any bounds and the X and Y position in the screen are also wrong, appearing in the very corner of the left side of my screen. I am sure I did not touch the code from these.
I know Apple is trying to get rid of Java, so I wonder if it has something about it.
Thank you.

I have found Mac OS X to be very Java friendly for several reasons...
Out of the box, OS X has at a minimum version 1.3 of the JRE installed in addition to command line tools like javac, java, jar. Panther, 10.3, has 1.4 installed out of box. The JDK/JRE for the Mac is available via the Software Updates capability directly from Apple. That is, you obtain JRE upgrades in the same manner in which you obtain updates on the OS itself. And it's simple and painless to do.
I've used JEdit and BBEdit and also XCode. It sounds like XCode is available via download (good to know..). I installed the Xcode tools from a CD that came with the box CD set for my Panther (10.3) OS. With the Developer tools, I can use a program called Jar Bundler to create "*.app" files for my Java applications so that they run with a native look and feel on OS X - (I mean having an icon in the dock for the Java app, and the icon bounces up and down like the others when the app executes etc). This makes deployment easy. To the best of my knowledge, that kind of convenience does not exist on Windows. For windows OS I think it is necessary to obtain install and configure a separate third party application which creates the "exe" file for the java application.
All Browsers on Mac OS X are set up to use the JRE on the system. The drawback is that only Safari right now is capable of using version 1.4 of the JRE. All other browsers, Mozilla, IE 5.2, OmniWeb, etc will use version 1.3. The good news is that configuring for the plugin is done behind the scenes, automatically. No messing with Tools menu or creating symbolic links are necessary in order to have the browser find the jre.
Here are some links you may wish to browse
http://www.apple.com/macosx/features/java/
http://www.javaworld.com/javaworld/jw-01-2002/jw-0118-macworld.html
http://www.onjava.com/pub/a/onjava/2002/09/25/macosx.html
http://www.pepsan.com/macosx/java.html

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