爱站程序员基地- 下载JDK
链接 ：https://pan.baidu.com/s/1gsjcRm0pwkQtIuc4pV4-wA提取码：Winn
- 配置环境变量切换到root用户
su root
- [li]修改/etc/profile【必须使用root权限】
[/li]
echo \"export JAVA_HOME=/root/apps/jdk1.7.0_65\" >> /etc/profileecho \"export PATH=\"\"$\"\"JAVA_HOME/bin:\"\"$\"\"JAVA_HOME/jre/bin:\"\"$\"\"PATH\" >> /etc/profileecho \"export CLASSPATH=.:\"\"$\"\"JAVA_HOME/jre/lib/rt.jar\" >> /etc/profile
- [li]重新加载/etc/profile
[/li]
source /etc/profile
- 测试
java -version
