Let us go through every thing which has a case scenario. But right before that, let's look at some OOP concepts. @MarkusMeskanen: because the object is immutable, and if you mutated it in position you could potentially not specialise it within a subclass. This was spotted by Khushal Bherwani who https://upcomingresidentialprojectsgurgaon.car.blog/2025/09/13/primeland-the-rising-palm-floors-sector-95a-gurgaon-low-rise-builder-floors-with-prime-connectivity/