code: public boolean sequenceAndQualityLengthsMatch()
  	{
  		if (sequence == null && quality == null)
  		{
  			return true;
  		}
  		if ((sequence != null && quality == null) || (sequence == null && quality != null))
  		{
  			return false;
  		}
  		return sequence.length() == quality.length();
  	}
docs: Return true if the sequence and quality scores for this FASTQ formatted sequence builder are equal in length.
  
  @return true if the sequence and quality scores for this FASTQ formatted sequence builder are equal in length