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This article introduces the relevant knowledge of "how centos7 installs JDK1.8 through yum". In the operation of actual cases, many people will encounter such a dilemma, so let the editor lead you to learn how to deal with these situations. I hope you can read it carefully and be able to achieve something!

Check whether the system has its own open-jdk before installation.

Command:

Rpm-qa | grep java

Rpm-qa | grep jdk

Rpm-qa | grep gcj

If no information is entered, it is not installed.

If you install, you can use rpm-qa | grep java | xargs rpm-e-- nodeps batch uninstall all files with Java. The keyword of this command is java.

First retrieve the list containing java

Yum list java*

Retrieve 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 whether the installation is successful

Java-version

This is the end of the installation. One of the advantages of this installation is that there is no need to set up path, it will be set up automatically.

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