Mac 安裝多個版本JDK
JDK7:https://www.oracle.com/technetwork/java/javase/downloads/java-archive-downloads-javase7-521261.html
JDK8:https://www.oracle.com/technetwork/java/javase/downloads/jdk8-downloads-2133151.html
- 安裝:輕按兩下安裝即可
- 安裝位置:
MacBook-Pro-2:~ dhh$ cd /Library/Java/JavaVirtualMachines/
MacBook-Pro-2:JavaVirtualMachines dhh$ ls
jdk1.7.0_80.jdk jdk1.8.0_221.jdk
- 修改配置(vim ~/.bash_profile):
# 聲明兩個JDK安裝的目錄
export JAVA_7_HOME=`/usr/libexec/java_home -v 1.7`
export JAVA_8_HOME=`/usr/libexec/java_home -v 1.8`
# 設定預設JDK
export JAVA_HOME=$JAVA_8_HOME
# 設定動态切換
alias jdk7="export JAVA_HOME=$JAVA_7_HOME"
alias jdk8="export JAVA_HOME=$JAVA_8_HOME"
- 使配置生效:
source ~/.bash_profile
- 切換JDK1.7
jdk7