mac 下删除java sdk

• 切换到目录 /Library/Internet Plug-Ins/JavaAppletPlugin.plugin/Contents/Home，删除对应的sdk文件
• sudo rm -fr /Library/Internet\ Plug-Ins/JavaAppletPlugin.plugin
• sudo rm -fr /Library/PreferencesPanes/JavaControlPanel.prefPane
• sudo rm -fr ~/Library/Application\ Support/Java

java sdk 8 下载地址： https://www.oracle.com/java/technologies/javase/javase8-archive-downloads.html