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Old 02-04-2011, 10:23 AM   #1
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Java installation

I have installed CentOS 5.5 and including the Java Development Package, will I have the jdk ready to use or further setting is needed?

Old 02-04-2011, 11:57 PM   #2
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re: Java installation


I use my package manager in openSuse once the package is installed to inspect the files in the package. YAST has an option to read the files that were installed and a convenience feature is that the files listed are in boldface when executable. Maybe Centos has a way to look at a list of files once installed? If you used ./configure, make, and make install, then you might be able to read the screen to see where the files were installed. With Java, you should probably use your package manager to install unless you have a reason not to because when you update or want to uninstall it is easier to manage your files.

I fooled around a lot with SWT and a little Hibernate before. I stopped using Java because 1) On deployment, I couldn't get the SWT GUI memory under control and 2) I didn't plan ahead and look at each and every license and choosing carefully not to combine conflicting licenses (making it so I couldn't deploy the finished application) Avoid those two scenarios if you can if they come up by planning ahead carefully.

Good luck,
Old 02-05-2011, 12:05 AM   #3
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.. will I have the jdk ready to use or further setting is needed ?
You can check for the working version with the command : 'java -version'.
.. and : 'javac -version'.

The setup : 1) su
2) /usr/sbin/alternatives --install /usr/bin/java java /usr/java/jdk1.6.0_23/bin/java 2

3) /usr/sbin/alternatives --config java



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