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This article mainly explains "centos how to install openJDK1.8", the content of the article 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 "centos how to install openJDK1.8" bar!

Just write to the large version, and then automatically install the latest small version under the big version, for example, the latest small version is 212, then the installed version will be 1.8.0. 212.

Yum install-y java-1.8.0-openjdk

After the installation is successful, executing java-version will output the following version information starting with openjdk

Openjdk version "1.8.0y212" OpenJDK Runtime Environment (build 1.8.0_212-b04) OpenJDK 64-Bit Server VM (build 25.212-b04, mixed mode)

If you originally installed sunJDK, you need to delete the original configuration information (the java environment configured in / etc/profile file), and then execute source / etc/profile

Some servers may need to be restarted before the version can be switched over.

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