< pro-Test >centos7 install JDK1.8 via yum (actually OPENJDK)

Before installing, check if the system comes with OPEN-JDK

Command:

Rpm-qa |grep Java

Rpm-qa |grep JDK

Rpm-qa |grep GCJ

If no information is entered, no installation is indicated.

If the installation can use RPM-QA | grep java | Xargs rpm-e--nodeps Bulk unload All files with Java The key word for this command is Java

First retrieve the list containing Java

Yum List java*

Retrieving the list of 1.8

Yum List java-1.8*

Install all files for 1.8.0

Yum Install java-1.8.0-openjdk*-y



Use the command to check if the installation was successful

Java-version



To the end of this installation. One of the benefits of installing this is that you don't need to set the path, and it's set up automatically.

< pro-Test >centos7 install JDK1.8 via yum (actually OPENJDK)