mac个人记录部分操作

mac卸载java:

sudo rm -fr /Library/Internet\ Plug-Ins/JavaAppletPlugin.plugin sudo rm -fr /Library/PreferencesPanes/JavaControlPanel.prefpane ls /Library/Java/JavaVirtualMachines/ 输出：jdk-9.0.1.jdk sudo rm -rf /Library/Java/JavaVirtualMachines/jdk-9.0.1.jdk