配置多版本JDK并切换

oracle jdk下载地址：https://www.oracle.com/java/technologies/downloads/#java11-mac

# 解压到指定目录
sudo tar -zxvf ~/Downloads/openjdk-11+28_linux-x64_bin.tar.gz -C /Library/Java/JavaVirtualMachines

修改配置文件

vim ~/.bash_profile

添加下面的配置

# java config
export JAVA_17_HOME=/Library/Java/JavaVirtualMachines/jdk-17.0.1.jdk/Contents/Home
export JAVA_11_HOME=/Library/Java/JavaVirtualMachines/jdk-11.0.13.jdk/Contents/Home
export JAVA_8_HOME=/Library/Java/JavaVirtualMachines/jdk1.8.0_311.jdk/Contents/Home



# java config multies version alias
alias jdk8="export JAVA_HOME=$JAVA_8_HOME"
alias jdk11="export JAVA_HOME=$JAVA_11_HOME"
alias jdk17="export JAVA_HOME=$JAVA_17_HOME"

# java config default jdk
export JAVA_HOME=$JAVA_11_HOME
export PATH="$JAVA_HOME:$PATH"

source ~/.bash_profile

验证