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This article mainly shows you how to configure environment variables under the linux environment, the content is simple and easy to understand, I hope you can learn, after learning, there will be a harvest, the following let the editor take a look at it.

Configure the software directory under the root sibling directory in the linux environment

Upload the downloaded jdk to the software folder

(the operating software I use is)

Go to the software directory.

Enter command: cd / software

Enter command: ll

You can see our jdk package.

Extract the file

Extract the command tar xzvf jdk-8u111-linux-x64.tar.gz

After decompression, you can delete the compressed packet that was previously transmitted.

Delete the file rm-fjdk-8u111-linux-x64.tar.gz

Configure the environment variables for jdk

Similar to configuring JDK in Windows, you need to configure three environment variables

Enter the letter an or I after vi / etc/profile to enter the editing state. Add the following variables to 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 the command to view the version of jdk

Java-version

Note: sometimes you need to restart to see these configuration information.

The above is about how to configure environment variables in linux environment. If you have learned knowledge or skills, you can share it for more people to see.

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