Of the abstraction. The values for getRadius() or getCircumference() in the above instance may very well be stored right, or they might be calculated, it won't matter to the caller; the setters might or might not have side effects; it would not matter towards the caller. @Jenix In that situation, https://propertyingurugram.in/signature-global-cuts-net-debt-by-16-in-june-quarter-on-strong-sales/