When designing a class, you should take care that all data is stored in a field, especially any calculated data.

Question

Quizplus · Accepted Answer

It is not necessary to store all calculated data in a field. In fact, it is often better to recalculate the data when needed, rather than storing it in memory. However, if the calculated data is frequently used and its calculation is complex or time-consuming, then it may make sense to store it in a field to improve performance.

When Designing a Class, You Should Take Care That All