Configuring the JDK environment variables under Linux

Jdk:

Http://www.oracle.com/technetwork/java/javase/downloads/jdk8-downloads-2133151.html

Create a new software directory in the root directory

Upload the downloaded JDK to the software folder.

(using WINSCP makes it easy to drag and drop files under Windows into Linux.) ）

Go to the Software directory

Input command: Cd/software

Input command: LL

You'll see our JDK package.

Three, unzip the file

Unzip command tar XZVF jdk-8u111-linux-x64.tar.gz

After decompression, you can delete the previously transmitted compressed package

deleting files rm-f jdk-8u111-linux-x64.tar.gz

5. Configuring the JDK environment variables

Configuring a JDK similar to Windows requires three environment variables to be configured

Enter the letter A or I after vi/etc/profile to enter the edit state, add the following variable in the file

Enter the command to add an environment variable:

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 the environment variables:

Echo $CLASSPATH

Echo $PATH

Enter a command to view the version of the JDK

Java-version

Configuring the JDK environment variables under Linux