public Interval get(final int index) {
			Objects.checkIndex(index, separators.length + 1);

			if (separators.length == 0) {
				return interval;
			} else {
				return new Interval(
					index == 0 ? interval.min() : separators[index - 1],
					index == separators.length ? interval.max() : separators[index]
				);
			}
		}
Return the number of subintervals of {@code this} partition.

@return the number of subintervals
jenetics.incubator/src/main/java/io/jenetics/incubator/stat/Histogram.java