code: public static StringDistance[] buildArray(String classNames) 
  	{
  	    String classNamesArray[] = split(classNames);
  	    StringDistance learners[] = new StringDistance[classNamesArray.length];
  	    for (int i = 0; i < classNamesArray.length; i++) {
  		learners[i] = build(classNamesArray[i]).getDistance();
  	    }
  	    return learners;
  	}
docs: Generate a StringDistanceArray given a sequence of classnames
  separated by slashes.