centos7 中安装java8

 

使用yum安装

001、查看安装包

[root@localhost test]# cat /etc/redhat-release
CentOS Linux release 7.9.2009 (Core)

 

 

002、查看java8安装包

[root@localhost test]# yum list java-1.8*

 

 

003、查看当前java

[root@localhost test]# java -version
openjdk version "1.8.0_345"
OpenJDK Runtime Environment (build 1.8.0_345-b01)
OpenJDK 64-Bit Server VM (build 25.345-b01, mixed mode)
[root@localhost test]# javac -version
bash: javac: command not found...
Similar command is: 'java'

 

004、安装java8

yum install java-1.8.0-openjdk.x86_64
yum install java-1.8.0-openjdk-devel.x86_64

 

005、查看安装效果

[root@localhost test]# java -version
openjdk version "1.8.0_345"
OpenJDK Runtime Environment (build 1.8.0_345-b01)
OpenJDK 64-Bit Server VM (build 25.345-b01, mixed mode)
[root@localhost test]# javac -version
javac 1.8.0_345

 

参考：https://blog.csdn.net/qq_40605511/article/details/122590227