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This article mainly explains the "Linux installation java JDK method", the article explains the content is simple and clear, easy to learn and understand, the following please follow the editor's ideas slowly in depth, together to study and learn "Linux installation java JDK method" bar!

Install Centos7 when you choose to install the development tools, you have already installed the java environment for us, but because of Openjdk, you can't use it. You also need to uninstall and then install java's jdk.

Step 1: uninstall Openjdk

Enter a command

[root@monkey ~] # rpm-qa | grep java

Shows everything related to java, here we only focus on openjdk related

[root@monkey] # rpm-e-nodeps java-1.7.0-openjdk

[root@monkey] # rpm-e-nodeps java-1.8.0-openjdk

[root@monkey] # rpm-e-nodeps java-1.7.0-openjdk-headless

[root@monkey] # rpm-e-nodeps java-1.8.0-openjdk-headless

After executing the above command, remember to check whether it has been uninstalled successfully.

Step 2, start installing java jdk

Download the official website, domestic users may be slow to open, and need to log in

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

After downloading, put it into

Under cd usr/local

Command installation

[root@monkey local] # yum install jdk-8u231-linux-x64.rpm

Finally, [root@monkey local] # java-version check the version information for perfect installation.

Thank you for your reading, the above is the content of "the method of installing java JDK in Linux". After the study of this article, I believe you have a deeper understanding of the method of installing java JDK in Linux, and the specific use needs to be verified in practice. Here is, the editor will push for you more related knowledge points of the article, welcome to follow!

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