When the element type of an array is a(n) ____ or interface, objects of those types or any subtype can be directly inserted into the array.
A) primitive
B) concrete
C) abstract
D) reference

Question

Quizplus · Accepted Answer

When the element type of an array is a reference type, objects of that type or any subtype can be directly inserted into the array. This is because reference types are based on classes or interfaces and can be extended or implemented by other classes or interfaces. Therefore, any subclass or implementing class of the element type can be inserted into the array.

When the Element Type of an Array Is A(n) ____