jdk Download:
http://www.oracle.com/technetwork/java/javase/downloads/jdk8-downloads-2133151.html
Configuration software directory in the root directory of the same level in the linux environment
The upload software downloaded jdk folder inside
(I use the operating software)
Under software to this directory.
Enter the command: cd / software
Enter the command: ll
We can see our jdk package
Third, unzip the file
Unzip command xzvf jdk-8u111-linux-x64.tar.gz tar
After unpacking incoming transmission can be deleted before the archive
Delete files rm -f jdk-8u111-linux-x64.tar.gz
5, configure the environment variables jdk
JDK configuration similar to the Windows environment variables need to configure three
After vi / etc / profile enter the letter a or i to enter the edit mode, to add the following variables in the file
Enter the command to add environment variables:
export JAVA_HOME=/software/jdk1.8.0_111
export CLASSPATH=.:$JAVA_HOME/jre/lib/rt.jar:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar
export PATH=$JAVA_HOME/bin:$PATH
Enter the command to view environment variables:
echo $CLASSPATH
echo $PATH
Enter the command to check the version of jdk
java -version
Note: Sometimes we can see the need to restart the configuration information.