code: public final double max(final AbstractMeter meter) {
          checkIfMeterExists(meter);
          final AbstractUnivariateStatistic max = new Max();
          final CollectionDoubleCollection doubleColl = new CollectionDoubleCollection(this.meterResults.get(meter));
          return max.evaluate(doubleColl.toArray(), 0, doubleColl.toArray().length);
      }
docs: Computes the maximum.
  
  @param meter the meter of the mean
  @return the maximum result value.