centos8 mounting java jdk 13

First, check the version of the local centos

[root@localhost lib]# cat /etc/redhat-release 
CentOS Linux release 8.1.1911 (Core) 

Description: architecture forests is a focus on architecture blog, address: https://www.cnblogs.com/architectforest

         The corresponding source code can be accessed here for:  https://github.com/liuhongdi/

 Description: Author: Liu association E-mail: [email protected]

 

Second, download jdk

Official website address

https://www.oracle.com/java/

Select this version:

jdk-13.0.2_linux-x64_bin.tar.gz

 

Third, the installation

[root@localhost source]# tar -zxvf jdk-13.0.2_linux-x64_bin.tar.gz 
[root@localhost source]# mv jdk-13.0.2 /usr/local/soft/

 

Fourth, configure the environment variables

Edit / etc / profile

[root@localhost source]# vi /etc/profile

 

Add the following:

export JAVA_HOME=/usr/local/soft/jdk-13.0.2
export JRE_HOME=${JAVA_HOME}/jre
export CLASS_PATH=.:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar:$JRE_HOME/lib
export PATH=$PATH:$JAVA_HOME/bin:$JRE_HOME/bin

Validate the configuration:

[root@localhost source]# source /etc/profile

 

Fifth, to view java version of the test installation was successful

[root@localhost source]# java --version
java 13.0.2 2020-01-14
Java(TM) SE Runtime Environment (build 13.0.2+8)
Java HotSpot(TM) 64-Bit Server VM (build 13.0.2+8, mixed mode, sharing)