CentOS7安装JAVA环境

JAVA环境安装：

yum install java java-1.8.0-openjdk-devel

java -version 出现如下显示表示成功，如果不行可以尝试 reboot 重启

[root@vm-35a66a2d-02c9-4dbd-ad88-c9c9033c4508 ~]# java -version
openjdk version "1.8.0_312"
OpenJDK Runtime Environment (build 1.8.0_312-b07)
OpenJDK 64-Bit Server VM (build 25.312-b07, mixed mode)