| ReadBuffer | Positionable read only buffer | code | html |
| Reader | Abstract base class for reading object dump files. | code | html |
| FileReadBuffer | Implementation of ReadBuffer using a RandomAccessFile | code | html |
| HprofReader | Object that's used to read a hprof file. | code | html |
| HprofReader.ThreadObject | code | html | |
| MappedReadBuffer | Implementation of ReadBuffer using mapped file buffer | code | html |
| PositionDataInputStream | A DataInputStream that keeps track of total bytes read (in effect 'position' in stream) so far. | code | html |
| PositionInputStream | InputStream that keeps track of total bytes read (in effect 'position' in stream) from the input stream. | code | html |