If the relationship between the two classes were one of reference rather than of inheritance, then the error would be thrown on the first active use of a, rather than during the loading of a.

Although we aren't usually fans of metrics such as statement-lines-of-code (SLOCs), they were certainly interesting in this case (see Error! Reference source not found.).

From system model selected, the lengths of hypothetical reference digital link and digital section are chosen, then the properties of bit error and jitter are determined.