File-> settings-> Editor-> File and Code Templates-> Files, you can choose to automatically generate documentation comments head when you create a document what I was set up class, interface, and Enum. Figure:
:( template below you can add your own, I mainly keep this 4)
#if (${PACKAGE_NAME} && ${PACKAGE_NAME} != "")package ${PACKAGE_NAME};#end
/**
\* Created with IntelliJ IDEA.
\* User: ${USER}
\* Date: ${DATE}
\* Time: ${TIME}
\* Description:
\*/
public class ${NAME} {
}