Encapsulate Data: Disguise internal implementation specifics of objects, exposing only important interfaces for interaction. Validate Alternatives: Test and validate fixes to make sure they resolve the challenge without introducing new challenges. There may also be considered a return to earlier development phases if person needs changed or were misunderstood.[34] https://israelppolj.boyblogguide.com/35272112/not-known-factual-statements-about-software-developer-kerja-apa