# Package net.sf.okapi.common.io

- Class Summary
  Class | Description
  --- | ---
  FastIOUtil |
  FileCachedInputStream | An instance of this class acts as a buffer holding the bytes written through its `WritableByteChannel` interface (which can be easily turned into an `OutputStream` using `Channels.newOutputStream(WritableByteChannel)`).
  InputStreamFromOutputStream<T> | This class allow to read the data written to an OutputStream from an InputStream.