How to update java version under linux

First use the command to check the location of java

whereis java //查看jdk安装路径

which java // 查看java执行路径

Then delete the corresponding old java, as shown in the figure:

rm -rf jdk1.8.0_211/

Next check the version corresponding to your system, and then download the corresponding JAVA package

Upload the downloaded Java compressed package Go to the corresponding directory and unzip

## After installing it in the same location/opt, open /etc/profile to modify the configuration, as shown in the figure:

Then use the following command:

 soruce /etc/profile.

Or restart the computer, and then check

 java --version

and check the java method, just You can see that the new java is installed

Recommended tutorial:

Java tutorial

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