public synchronized int readInSUTfromRemote(){
  if (localBuffer.isEmpty()) {
    return -1;
  }
  return localBuffer.poll() & 0xFF;
}

public synchronized int readInSUTfromRemote ( ) { if ( localBuffer . isEmpty ( ) ) { return - 1 ; } return localBuffer . poll ( ) & 0xFF ; }
read one byte from stream
