Ubuntu10.4 install jdk1.6
You know,If you want to develop java applications ,you'd better install jdk. Today,I will introduce you how to intall jdk1.6 on Ubuntu.Just follow me step by step. First step you should download jdk file from sun offcial website, URL: http://www.oracle.com/technetwork/java/javase/downloads/jdk-6u29-download-513648.html (fixed)
fileName : jdk-6u29-linux-i586.bin Tips: 1)Before you will download this file ,you should accept license agreement. 2)If your system is Ubuntu10.4 or other 32-bit system,you can't download the jdk-6u29-linux-x64.bin.When you use sudo sh jdk-6u29-linux-x64.bin,it will create a file that file's name is invalid encoding.
Second step after file is donwloaded,we also can use command
to scan the file list. Third step OK,now we can install jdk,write command :
A few miniutes later,you will be asked to press Enter key,Just do, You will see 'Done'. Ok,Now jdk has been instaled by us,next step we will config environment variables for java Fourth step enter the command :
if you are similar with vim,you can use the command :
Add the following lines in the end of file.
then enter command :
it makes the changes effective Fifth Step You should know Ubuntu10.4 make the openjdk as its default jdk ,so we should make sun jdk to be the default one,just use following commands :
use following command to scan the jdk priority:
Tips: sudo update-alternatives -- install is used to change the priority. OK!Now you can enter
to test if jdk is ok. If you can see java version "1.6.0_29",Congratulations!! If you have any questions,just contact me. Email:[email protected]
fileName : jdk-6u29-linux-i586.bin Tips: 1)Before you will download this file ,you should accept license agreement. 2)If your system is Ubuntu10.4 or other 32-bit system,you can't download the jdk-6u29-linux-x64.bin.When you use sudo sh jdk-6u29-linux-x64.bin,it will create a file that file's name is invalid encoding.
Second step after file is donwloaded,we also can use command
lsto scan the file list. Third step OK,now we can install jdk,write command :
sudo sh jdk-6u29-linux-i586.binA few miniutes later,you will be asked to press Enter key,Just do, You will see 'Done'. Ok,Now jdk has been instaled by us,next step we will config environment variables for java Fourth step enter the command :
sudo gedit /etc/environmentif you are similar with vim,you can use the command :
sudo vi /etc/environmentAdd the following lines in the end of file.
export JAVA_HOME=/home/alicus/Downloads/jdk1.6.0_29
export JRE_Home=>/home/alicus/Downloads/jdk1.6.0_29/jre
export CLASSPATH=$CLASSPATH:$JAVA_HOME/lib:$JRE_HOME/lib then enter command :
source ~/.bashrcit makes the changes effective Fifth Step You should know Ubuntu10.4 make the openjdk as its default jdk ,so we should make sun jdk to be the default one,just use following commands :
sudo update-alternatives --install /usr/bin/java java /home/alicus/Downloads/jdk1.6.0_29/bin/java 300
sudo update-alternatives --install /usr/bin/java java /home/alicus/Downloads/jdk1.6.0_29/bin/javac 300
use following command to scan the jdk priority:
sudo update-alternatives --config java to Tips: sudo update-alternatives -- install is used to change the priority. OK!Now you can enter
java -versionto test if jdk is ok. If you can see java version "1.6.0_29",Congratulations!! If you have any questions,just contact me. Email:[email protected]