Which statement is completely True?
A) Java upcasts automatically, but you must explicitly downcast
B) Java downcasts automatically, but you must explicitly upcast
C) Java expects the user to explicitly upcast and downcast
D) Java will both upcast and downcast automatically
E) The rules for upcasting and downcasting depend upon whether classes are declared public, protected, or private

Question

Quizplus · Accepted Answer

A) Upcasting is entirely safeit's a product of the single inheritance structure that Java supports. Downcasting, by comparison, must be done explicitly by the programmer. Java only casts in one direction automaticallyit upcasts. The rules for upcasting and downcasting do not depend upon any way on the visibility modifiers in use.

Which Statement Is Completely True