An inner helper class, such as a TreeNode inside the generic BinaryTree class, must meet which of the following criteria?
I be public
II be private
III be declared as generic
A) I and III
B) II and III
C) I, II and III
D) none are necessary

Question

Quizplus · Accepted Answer

An inner helper class does not have to meet any specific criteria such as being public, private, or declared as generic. These are design choices based on the intended use and encapsulation needs.

An Inner Helper Class, Such as a TreeNode Inside the Generic