How to download jdk in centos

1. Download the jdk tar package

##2 , Uninstall the jdk that comes with the system

Because the CentOS7.4 system I installed here comes with jdk1.8, so I need to uninstall the jdk that comes with the system first

View the current system jdk Version:

## List packages matching installed java:

Uninstall jdk:

3 , install the downloaded jdk

Create a new java folder in /usr/, mkdir java uses Xftp to upload the downloaded jdk-8u211-linux-x64.tar.gz to /usr/java , need

to decompress the package:

4. Configure environment variables

##Use vim /etc/profile to edit the profile file input ：

Press i to enter the editing mode, and append the following content to the file:

After editing is completed, press Esc and enter: wq to exit

Save and exit. At this time, the environment variable To take effect, you need to execute

echo to check whether it takes effect

After the environment variables are set, enter: java, javac, java -version and it is normal to be able to access the content.

Recommended tutorial:

centos tutorial

The above is the detailed content of How to download jdk in centos. For more information, please follow other related articles on the PHP Chinese website!