mac下实现java多版本共存

export JAVA_8_HOME='/Library/Java/JavaVirtualMachines/jdk1.8.0_221.jdk/Contents/Home'

export JAVA_11_HOME='/Library/Java/JavaVirtualMachines/jdk-11.0.2.jdk/Contents/Home'

# 默认 jdk11

export JAVA_HOME=$JAVA_11_HOME

# 动态切换版本

alias jdk8="export JAVA_HOME=$JAVA_8_HOME"

alias jdk11="export JAVA_HOME=$JAVA_11_HOME"

$ source ~/.bash_profile