For centuries, mankind knew all there was to know about the shape of the Earth. It was a flat planet, shaped roughly like a circle, with lots of pointy things hanging down from the underside. On the comparatively smooth topside, Europe sat in the middle of the circle, with the other continents scattered about the fringes, and parts of Africa hanging over the edge.
Immutability. Immutability means unchangeable. It is the divine attribute of unchangeableness. God said in Exodus 3:14, I AM that I AM, signifying His eternal sameness and His sovereignty.He cannot change His moral character, His love, His omniscience, omnipresence, omnipotence, etc.t is the divine attribute of unchangeableness. God said in Exodus 3:14, I AM that I AM, signifying His eternal sameness and His sovereignty. He cannot change His moral character, His love, His omniscience, omnipresence, omnipotence, etc.
This lazy evaluation of hashcode places String in an interesting position as an immutable object whose state changes, but it cannot be observed to have changed without using reflection. So maybe the definition of immutable should be an object that cannot be observed to have changed.