Build a Java Development Environment in Linux (Ubuntu)-install JDK

0: Download JDK. Go to the official website to download the linux version of JDK: jdk-6u26-linux-i586.bin. Of course you can also use sudoapt-getinstallsun-java6-jdk, but the speed is very slow. 1. Move the file to the/opt/directory sudocpjdk-6u26-linux-i586.bin/opt/2: Modify permissions. $ Sudochmod + x/opt/jdk-

0: Download JDK.

Go to the official website to download the linux version of JDK: jdk-6u26-linux-i586.bin. Of course you can also use sudo apt-get install sun-java6-jdk, but the speed is slow.

1. Move the file to the/opt/directory.
Sudo cp jdk-6u26-linux-i586.bin/opt/

2: Modify permissions.

$ Sudo chmod + x/opt/jdk-6u26-linux-i586.bin

3: Install.

Switch to the opt directory and run "sudo sh/Jdk-6u26-linux-i586.bin",

4. Configure Environment Variables

Configure classpath and modify the environment variables of all users

(1)$ Sudo gedit ~ /. Profile, add the following content to the file:

Export JAVA_HOME =/home/hoo/Program/jdk1.6.0 _ 26
Export CLASSPATH = $ CLASSPATH: $ JAVA_HOME/lib: $ JAVA_HOME/jre/lib
Export PATH = $ JAVA_HOME/bin: $ JAVA_HOME/jre/bin: $ PATH

(2)$ Source ~ /. Profile

(3)$ Java-version to test whether the installation is successful.

For more information about Ubuntu, see Ubuntu special page http://www.linuxidc.com/topicnews.aspx? Tid = 2