1、系統環境java
macOS High Sierra(版本:10.13.6)bash
MacBook Air (13-inch, Early 2015)編碼
2、解決步驟spa
$ touch .bash_profile
$ open .bash_profile
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'
# 默認 jdk11 export JAVA_HOME=$JAVA_11_HOME # 動態切換版本 alias jdk8="export JAVA_HOME=$JAVA_8_HOME" alias jdk11="export JAVA_HOME=$JAVA_11_HOME"
$ source ~/.bash_profile
$ /usr/libexec/java_home -V