旧版下载链接

https://www.java.com/zh_CN/download/mac_download.jsp

环境配置

https://www.java.com/zh_CN/download/help/path.xml

/usr/libexec/java_home

旧版删除方法

https://www.java.com/zh_CN/download/help/mac_uninstall_java.xml

sudo rm -fr /Library/Internet\ Plug-Ins/JavaAppletPlugin.plugin
sudo rm -fr /Library/PreferencePanes/JavaControlPanel.prefPane
sudo rm -fr ~/Library/Application\ Support/Oracle/Java

新的下载链接
https://www.oracle.com/java/technologies/javase/javase-jdk8-downloads.html

环境配置
https://www.jianshu.com/p/87c0ac0f1254