InputStream (byte input) I/O classes
DataInput I/O interface
      .readBoolean( ) byte I/O method
      .readByte( ) byte I/O method
      .readChar( ) byte I/O method
      .readDouble( ) byte I/O method
      .readFloat( ) byte I/O method
      .readFully(byte[ ]) byte I/O method
      .readFully(byte[ ], offset,len) byte I/O method
      .readInt( ) byte I/O method
      .readLine( ) byte I/O method
      .readLong( ) byte I/O method
      .readShort( ) byte I/O method
      .readLong(long) byte I/O method
      .readUnsignedByte( ) byte I/O method
      .readUnsignedShort( ) byte I/O method
      .readUTF( ) byte I/O method
      .skipBytes(num) byte I/O method
InputStream I/O class
      .available( ) byte I/O method
      .close( ) byte I/O method
      .mark(readaheadlimit ) byte I/O method
      .markSupported( ) byte I/O method
      .read( ) byte I/O method
      .read(byte[ ]) byte I/O method
      .read(byte[ ], offset, len) byte I/O method
      .reset( ) byte I/O method
      .skip(count) byte I/O method
ByteArrayInputStream byte I/O class
BufferedInputStream byte I/O class
DataInputStream byte I/O class
FileInputStream byte I/O class
ObjectInputStream byte I/O class
      .readObject( ) byte I/O method of ObjectInputStream
PipedInputStream byte I/O class
PushbackInputStream byte I/O class