链接:
https://blog.csdn.net/wawawawawawaa/article/details/81158943
以下链接供参考:
https://blog.csdn.net/Bugggget/article/details/79415651
https://blog.csdn.net/u013274055/article/details/73920637
https://blog.csdn.net/qq_38723394/article/details/79986704
(centos6.5自带yum,直接使用yum命令即可)
配置环境变量
yum安装的jdk不用自己配置环境变量