Shulou(Shulou.com)06/02 Report--

1. Go to the official website to download the corresponding version of the installation package, 64-bit system corresponding to 64-bit installation package

two。

3. Move the installation package to the new jdk directory and unzip it to get the directory jdk1.8.0_161

4. When it's time to configure the environment variables, use sudo gedit / etc/environment, open the file, and add

PATH= "/ usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games:$JAVA_HOME/bin" export CLASSPATH=.:$JAVA_HOME/lib:$JAVA_HOME/jre/libexport JAVA_HOME=/usr/lib/jdk/jdk1.8.0_161

5. After modification, use the command source / etc/environment to make the modified configuration take effect immediately.

If the 6.java-version view shows the jdk version information, the configuration is successful.

7. Then modify the environment variables of all users, sudo gedit / etc/profile, and add at the end

# set Java environmentexport JAVA_HOME=/usr/lib/jdk/jdk1.8.0_161export JRE_HOME=$JAVA_HOME/jreexport CLASSPATH=.:$JAVA_HOME/lib:$JRE_HOME/lib:$CLASSPATHexport PATH=$JAVA_HOME/bin:$JRE_HOME/bin:$PATH

8. Use the command source / etc/profile to make the configuration effective

9.java-version verification

Let's take a look at the JDK1.8 environment variable configuration

Create new user variables: JAVA_HOME, CLASSPATH, and system Path

Variable name: JAVA_HOME

Variable value: C:\ Program Files\ Java\ jdk1.8.0_102

Variable name: CLASSPATH

Variable value:.;% JAVA_HOME%\ lib\ dt.jar;%JAVA_HOME%\ lib\ tools.jar

Variable name: Path

Variable value: C:\ Program Files\ Java\ jdk1.8.0_102\ bin;C:\ Program Files\ Java\ jdk1.8.0_102\ jre\ bin

Test whether the environment variable configuration is successful.

Summary

The above is the tutorial of installing jdk1.8 and configuring environment variables under Linux introduced by the editor. I hope it will be helpful to you. If you have any questions, please leave me a message and the editor will reply to you in time. Thank you very much for your support to the website!

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