软件包 com.sun.mail.util 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.util.ASCIIUtility
  • java.io.InputStream (implements java.io.Closeable)
    • java.io.FilterInputStream
      • com.sun.mail.util.BASE64DecoderStream
      • com.sun.mail.util.LineInputStream
      • com.sun.mail.util.QPDecoderStream
        • com.sun.mail.util.QDecoderStream
      • com.sun.mail.util.TraceInputStream
      • com.sun.mail.util.UUDecoderStream
  • java.io.OutputStream (implements java.io.Closeable, java.io.Flushable)
    • java.io.FilterOutputStream
      • com.sun.mail.util.BASE64EncoderStream
        • com.sun.mail.util.BEncoderStream
      • com.sun.mail.util.CRLFOutputStream
      • com.sun.mail.util.LineOutputStream
      • com.sun.mail.util.QPEncoderStream
        • com.sun.mail.util.QEncoderStream
      • com.sun.mail.util.TraceOutputStream
      • com.sun.mail.util.UUEncoderStream
  • com.sun.mail.util.SocketFetcher
  • java.lang.Throwable (implements java.io.Serializable)
    • java.lang.Exception
      • java.io.IOException
        • com.sun.mail.util.FolderClosedIOException
        • com.sun.mail.util.MessageRemovedIOException