Mac安装两个JDK
jdk1.7下载地址:
https://www.oracle.com/java/technologies/javase/javase7-archive-downloads.html#jdk-7u80-oth-JPR
jdk1.8下载地址:
https://www.oracle.com/java/technologies/javase/javase-jdk8-downloads.html
JDK默认安装路径为/Library/Java/JavaVirtualMachines:
将上述两个地址配置到.bash_profile文件中:
vim ~/.bash_profile
内容如下:
#添加JDK的环境变量 export JAVA_7_HOME=/Library/Java/JavaVirtualMachines/jdk1.7.0_80.jdk/Contents/Home export JAVA_8_HOME=/Library/Java/JavaVirtualMachines/jdk1.8.0_231.jdk/Contents/Home #默认JDK1.8 export JAVA_HOME=$JAVA_8_HOME #alias命令动态切换JDK版本 alias jdk7="export JAVA_HOME=$JAVA_7_HOME" alias jdk8="export JAVA_HOME=$JAVA_8_HOME"
生效修改:
source ~/.bash_profile
验证: