such as a dynamic array, can be described as the number of elements contained in it.import java.util.List;

int[] a = {1, 2, 3, 4, 5};int len = a.length; // len = 5

List list = List.of(1, 2, 3, 4, 5, 6, 7, 8);int len = list.size(); // len = 8

Units

In the physical sciences and engineering, when one speaks of [[unit of length, the word length is synonymous with distance. There