View Full Version : Compiling java
March 12th, 2006, 12:46 PM
I was wondering if there is any java compiler built in to ubuntu or do you have to install it from somewhere (from the cd or the net)? I've tried 'gcj' but it isn't there.
Thanks in advance.
March 12th, 2006, 12:47 PM
If you run:
apt-cache search java | grep compile
It do find some compilers, but then its all up to you to
install and make an opinion.
March 12th, 2006, 12:50 PM
sudo apt-get install gcj-4.0
But from religious reasons i only use the Sun SDK for all my compiling
First you will need to add all the extra repositories for Ubuntu. (ie Multiverse, Universe...) Please see other how to's on how to do that.
Now go to Sun's website http://java.sun.com/ and select the java jdk or jre that you want.
This example uses J2jsdk-1.4.2 but you can use any J2sdk. Run similar commands from the terminal:
First install the required packages:
sudo apt-get install fakeroot java-package java-common
Create the Deb file for the install:
fakeroot make-jpkg sun-j2sdk-1.4.2_10-linux-i586.bin
Install The deb file
sudo dpkg -i sun-j2sdk-1.4.2_10_i386.deb
Now make Sun's java the default by running this command and selecting it.
sudo update-alternatives --config java
you can now check your java sdk with:
java version "1.4.2_10"
Java(TM) 2 Runtime Environment, Standard Edition (build 1.4.2_10-b03)
Java HotSpot(TM) Client VM (build 1.4.2_10-b03, mixed mode)
March 12th, 2006, 12:51 PM
Will give that a try when i get home. Thanks.
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