程序包org.apache.hadoop.fs.ftp的分层结构

程序包分层结构:

• 所有程序包

类分层结构

• java.lang.Object
  • org.apache.hadoop.conf.Configured (implements org.apache.hadoop.conf.Configurable)
    • org.apache.hadoop.fs.FileSystem (implements java.io.Closeable)
      • org.apache.hadoop.fs.ftp.FTPFileSystem
  • java.io.InputStream (implements java.io.Closeable)
    • org.apache.hadoop.fs.FSInputStream (implements org.apache.hadoop.fs.PositionedReadable, org.apache.hadoop.fs.Seekable)
      • org.apache.hadoop.fs.ftp.FTPInputStream
  • java.lang.Throwable (implements java.io.Serializable)
    • java.lang.Exception
      • java.lang.RuntimeException
        • org.apache.hadoop.fs.ftp.FTPException