code: private int parseDMax(String dMaxString) {
  		int dMax;
  		try {
  			dMax = Integer.parseInt(dMaxString);
  		} catch (NumberFormatException e) {
  			dMax = 0;
  		}
  		return dMax;
  	}
docs: Parses dMaxString, which is the value of dmax read in from a
  configuration file.
  
  @param dMaxString
  value read in from configuration
  @return int value of dMaxString if parse is successful, 0 (default value)
  otherwise