- 查看装了有哪些JDK版本
$ls /Library/Java/JavaVirtualMachines/
jdk-16.0.1.jdk jdk1.8.0_152.jdk
2.删除JDK
#删除JDK
$sudo rm -rf /Library/Java/JavaVirtualMachines/jdk-16.0.1.jdk
#查看JDK版本
$ls /Library/Java/JavaVirtualMachines/
jdk1.8.0_152.jdk
3.删除运行路径和运行环境等
$sudo rm -fr /Library/Internet\ Plug-Ins/JavaAppletPlugin.plugin
$sudo rm -fr /Library/PreferencesPanes/JavaControlPanel.prefPane
$sudo rm -fr ~/Library/Application\ Support/Java
4.检查是否卸载成功
$java -version
java version "1.8.0_152"
Java(TM) SE Runtime Environment (build 1.8.0_152-b16)
Java HotSpot(TM) 64-Bit Server VM (build 25.152-b16, mixed mode)