查看java可安装列表
yum list java*安装java
yum -y install java-1.8.0-openjdk*x86_64
查看是否安装成功
yum list installed | grep java
查看java版本
[[email protected] ~]# java -version
openjdk version "1.8.0_191"
OpenJDK Runtime Environment (build 1.8.0_191-b12)
OpenJDK 64-Bit Server VM (build 25.191-b12, mixed mode)