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Java. Anyone?
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sc4bbk
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Joined: 24 Dec 2004
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PostPosted: Sun Jan 09, 2005 6:44 am    Post subject: Java. Anyone? Reply with quote

Anyone here programming Java in Xandros? Can you teach me how to install the SDK? Thank you.
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mike80808
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Joined: 14 Apr 2003
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Location: St. Louis, MO

PostPosted: Sun Jan 09, 2005 11:24 am    Post subject: Reply with quote

Go to Sun's site and install the Linux version of the JDK exactly as the instructions tell you to.

I chose to install it in /opt/j2sdk...

Afterwards, I added setting the JAVA_HOME variable to my .bash_profile and adding the $JAVA_HOME/bin directory to my $PATH variable as well.

There is plenty of guidance on the Sun site about how to use Java on Linux. Xandros is not anything special with regards to being just another Java platform.
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Arne Anka
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PostPosted: Sun Jan 09, 2005 3:27 pm    Post subject: Reply with quote

In Debian there is also an alternative package called free-java-sdk. Have never used it myself.
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frocco
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Joined: 16 Jun 2004
Posts: 8

PostPosted: Sat Feb 19, 2005 2:21 pm    Post subject: Help with java sdk Reply with quote

Hello,

Can you explain how to add the path and java_home?
I'm new to linux.

I installed the j2sdk under the opt directory.

Thanks
Frank
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mike80808
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PostPosted: Sat Feb 19, 2005 5:13 pm    Post subject: Reply with quote

There are two main ways to add JAVA_HOME to your environment and path.

One is to do it for you, as part of your personal account on the machine. This is an "every person for themselves strategy". The place to add your path would be to add the following to the "hidden" file in your home directory, ".bash_profile". You can use kate or kwrite or kvim or even XFM (which is really using kwrite) to edit it.

At the end, you'll want to append something like (using your location for Java):

Code:
export JAVA_HOME=/opt/j2sdk...
PATH=${JAVA_HOME}/bin:$PATH


The other way to do it, is to make the change for EVERYONE. This is an "everyone is in the same boat strategy". You make the same changes as above, but you add them to the file /etc/profile. You will need to be 'root' (or the Administrator user) to do that.

You can be more sophisticated about how you do what I just described above, but it should work for you, and isn't any more fancy than it needs to be.

The reason I added the java directory to the beginning of the path is that if I didn't do that, when you ran 'java', it would find the ones in /usr/bin before it found the ones in your new SDK installation.
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frocco
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Joined: 16 Jun 2004
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PostPosted: Tue Feb 22, 2005 12:46 pm    Post subject: Reply with quote

Thanks Mike,
I'm still trying to settle on a distro, so far this one looks good.

Best Regards,

Frank
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trentallenblack@yahoo.com
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Joined: 25 Mar 2005
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PostPosted: Fri Mar 25, 2005 12:13 pm    Post subject: Java and Net Beans Reply with quote

Java works great from Windows to Xandros.

Make sure, in Java, you set the directory path from
Java, and not hard code the / or \.

Eclipse can be downloaded free from Xandros Networks.
You can add a GUI designer from the www.eclipse.org site,
if you need it.

Or, you can get www.netbeans.org, which works great.

I use both, depending on my mood.

Linking to a database or even loading a local html document
in the defeault browser has been frustrating, as there are
no docs I can find or many others doing this.

I am now testing a compiler "Jet" for Java on Linux. I am hoping
it will install and make a .Jar file that is executable for me.

If you want a compiled stand alone app that does not need
Java installed, you can't use the SWING classes, and have to
use IBM's SWT classes. --- See Eclipse Web Site.

ALL IN ALL, THIS LINUX DISTRO ROCKS.
I have Fedora Core 3, Linspire 4.5, Mandrake 10, and SuSE 9.2

For business, this distro seems the easiest to run and more things
work without TWEAKING.

Search Google to get the DVD player working,
for there are some legal reasons it seems it was disabled, but not removed, as all the packages are still there.
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soulpower2873
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Joined: 14 Jan 2006
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Location: Allen, TX

PostPosted: Sat Jan 14, 2006 1:00 am    Post subject: question Reply with quote

I'm sorry, but though this may be stupid, I am used to using a different version of the console, I just switched to xandros. I'm trying to install jdk, but apparently the command to run silently isnt the same, could someone tell me it?
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Xandrosianling
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Joined: 24 Jan 2006
Posts: 474
Location: Pennsylvania

PostPosted: Mon Feb 13, 2006 11:13 pm    Post subject: Reply with quote

Quote:
Code:
export JAVA_HOME=/opt/j2sdk...
PATH=${JAVA_HOME}/bin:$PATH

This worked for me after installing SDK from Xandros Networks...the directory had a slightly different name though.
What can I say, wrote up a quick script, compiled it and ran in Console and I couldn't be happier. I just uninstalled Eclipse (much prefer using console.)
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Xandrosianling
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Joined: 24 Jan 2006
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Location: Pennsylvania

PostPosted: Tue Feb 14, 2006 10:18 am    Post subject: Reply with quote

Also, sorry to double post, but I felt it neccessary to add that Eclipse makes it more difficult to do simple things...for example just creating a class is like a 5-6 click endeavor when you can just automatically do it in console by typing one simple command to compile and it automatically creates the class. Just another reason why I still can't stand fancy compilers. If you prefer simple input - output coding this really is the way to go.
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mike80808
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PostPosted: Thu Feb 16, 2006 9:23 pm    Post subject: Reply with quote

If you're trying to do simple things, then using Java is really just the start of your problems.

You should be using Perl instead, if they're truly that lightweight of a task.
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Xandrosianling
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PostPosted: Thu Feb 16, 2006 10:38 pm    Post subject: Reply with quote

Quote:

If you're trying to do simple things, then using Java is really just the start of your problems.


SImply put, it's more simple to compile and run in console than it is to use Eclipse...less resources used too. It's not that my tasks are simple...that's partly why I actually don't like Perl. Besides, I'm new to Xandros and to coding in a Linux environment...Xandros is the first Distro that I have actually been happy enough with to actually install the jdk on. I offered my two cents on the premise that sc4bbk was in the same boat as me. Java works great everywhere Very Happy
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mike80808
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PostPosted: Fri Feb 17, 2006 1:37 am    Post subject: Reply with quote

web_dev wrote:
Java works great everywhere Very Happy


Indeed it does. Like on my 400Mhz PowerPC running Debian. Very Happy Very Happy Very Happy



http://www.archlug.org/kwiki/BlackDogKwikis
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dov
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Joined: 07 Jun 2004
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PostPosted: Tue Feb 21, 2006 8:57 pm    Post subject: Reply with quote

okay i am trying to get Java Runtime to run but just can't get it happening, am unable to view java applets and such, i installed it using their installer .bin and it is in /home/base/jdk1.5.0_06
so is this correct to add to the .bash_profile mentioned earlier

export JAVA_HOME=/home/base/jdk1.5.0_06
PATH=${JAVA_HOME}/home/base/jdk1.5.0_06/bin:$PATH

i have also tried ln -s so many times ...
hope someone can help me with this

thanks
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Xandrosianling
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Joined: 24 Jan 2006
Posts: 474
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PostPosted: Mon Feb 27, 2006 12:05 am    Post subject: Reply with quote

Quote:
okay i am trying to get Java Runtime to run but just can't get it happening, am unable to view java applets and such


You mean in your web browser? Firefox? You don't need the jdk to view applets in firefox. You need the Java Runtime Environment. You can get it here: https://jsecom8b.sun.com/ECom/EComActionServlet;jsessionid=B45D3197B923C3CC57943B781B63C041
Download it, and I believe you can install it with XN...not sure though.

Quote:
export JAVA_HOME=/home/base/jdk1.5.0_06
PATH=${JAVA_HOME}/home/base/jdk1.5.0_06/bin:$PATH


This should work as long as /home/base/jdk1.5.0_06 is where the jdk went when you installed it. Best bet is to double check that in Xandros File Manager first.
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