- linux环境下
- 删除自带的openjdk
- rpm -qa | grep jdk
- sudo yum remove xxxxx
- 下载jdk
- 从http://learning.happymmall.com/下载
- 赋予权限
- sudo chmod 777 jdk-7uxxxxx
- 在linux下安装
- 安装jdk
- sudo rpm -ivh jdk-7uxxxxxx.rpm
- 默认安装路径
- /usr/java/jdk1.7.0_80
- 环境变量配置
- sudo vim /etc/profile
- JAVA_HOME
- export JAVA_HOME=/usr/java/jdk1.7.0_80
- CLASSPATH
- export CLASSPATH = .:$JAVA_HOME/jre/lib/rt.jar:$JAVA_HOME/lib/rt.jar:$JAVA_HOME/lib/tools.jar
- PATH
- export PATH = $JAVA_HOME/bin:$PATH
- win环境下
- 省略
