软件包 com.sun.mail.smtp 的分层结构

软件包分层结构：

所有软件包

类分层结构

• java.lang.Object
  • com.sun.mail.smtp.DigestMD5
  • javax.mail.Message (implements javax.mail.Part)
    • javax.mail.internet.MimeMessage (implements javax.mail.internet.MimePart)
      • com.sun.mail.smtp.SMTPMessage
  • java.io.OutputStream (implements java.io.Closeable, java.io.Flushable)
    • java.io.FilterOutputStream
      • com.sun.mail.util.CRLFOutputStream
        • com.sun.mail.smtp.SMTPOutputStream
  • javax.mail.Service
    • javax.mail.Transport
      • com.sun.mail.smtp.SMTPTransport
        • com.sun.mail.smtp.SMTPSSLTransport
  • java.lang.Throwable (implements java.io.Serializable)
    • java.lang.Exception
      • javax.mail.MessagingException
        • javax.mail.SendFailedException
          • com.sun.mail.smtp.SMTPAddressFailedException
          • com.sun.mail.smtp.SMTPSendFailedException
        • com.sun.mail.smtp.SMTPAddressSucceededException