首先下载:
网址如下:
http://www.oracle.com/technetwork/cn/java/javase/downloads/jdk7-downloads-1880260.html
配置环境变量:
1. 命令行输入
cd ~
vim .bash_profile
2.编辑放入下面的内容
export JAVA_HOME='/Library/Java/JavaVirtualMachines/jdk1.7.0_75.jdk/Contents/Home'
export PATH=$PATH:$JAVA_HOME/bin
3.更新
source .bash_profile
4.验证:
java -version