code: public static boolean compareFilesByChecksumAdler32(final File sourceFile,
  		final File fileToCompare) throws IOException
  	{
  		final long checksumSourceFile = ChecksumExtensions.getCheckSumAdler32(sourceFile);
  		final long checksumFileToCompare = ChecksumExtensions.getCheckSumAdler32(fileToCompare);
  		return checksumSourceFile == checksumFileToCompare;
  	}
docs: Compare files by checksum with the algorithm Adler32.
  
  @param sourceFile
  the source file
  @param fileToCompare
  the file to compare
  @return true if the checksum with the algorithm Adler32 are equal, otherwise false.
  @throws IOException
  Signals that an I/O exception has occurred.