For details about how to install jdk in linux, see linuxjdk.
To install jdk in Linux, download and unzip the installation package and configure environment variables. The steps are as follows:
1. Download the jdk. tgz installation package of the corresponding number and version from the Oracle official website.
2. upload files to the installation directory through xftp
3. decompress the package in the installation directory.
Tar-xzvf jdk-** .tar.gz
4. Modify the profile file
Vim/etc/profile
Add the following content:
JAVA_HOME =/usr/java/jdk1.8.0 _ 60 CLASSPATH = $ JAVA_HOME/lib/PATH = $ PATH: $ JAVA_HOME/bin
Export PATH JAVA_HOME CLASSPATH
Note: "/usr/java/jdk1.8.0 _ 60" is the jdk installation directory.
5. Execute the command to make the configuration take effect immediately
Source/etc/profile
6. Test the installation result
Java-version
Javac-version