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## org.apache.commons.io
Class HexDump

    java.lang.Object
      org.apache.commons.io.HexDump

    public class HexDump

extends Object

Dumps data in hexadecimal format.

Provides a single function to take an array of bytes and display it in hexadecimal form.

Origin of code: POI.

Version:
  $Id: HexDump.java 596667 2007-11-20 13:50:14Z niallp $
Author:
  Scott Sanders, Marc Johnson

Field Summary
`static String` | `EOL` The line-separator (initializes to "line.separator" system property.

Constructor Summary
`HexDump()` Instances should NOT be constructed in standard programming.

Method Summary
`static void` | `dump(byte[] data, long offset, OutputStream stream, int index)` Dump an array of bytes to an OutputStream.

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Field Detail

### EOL

    public static final String EOL

  The line-separator (initializes to "line.separator" system property.

Constructor Detail

### HexDump

    public HexDump()

  Instances should NOT be constructed in standard programming.

Method Detail

### dump

    public static void dump(byte[] data,
                            long offset,
                            OutputStream stream,
                            int index)
                     throws IOException,
                            ArrayIndexOutOfBoundsException,
                            IllegalArgumentException

  Dump an array of bytes to an OutputStream.

  Parameters:
    `data` - the byte array to be dumped
    `offset` - its offset, whatever that might mean
    `stream` - the OutputStream to which the data is to be written
    `index` - initial index into the byte array
  Throws:
    `IOException` - is thrown if anything goes wrong writing the data to stream
    `ArrayIndexOutOfBoundsException` - if the index is outside the data array's bounds
    `IllegalArgumentException` - if the output stream is null

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