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 only
B)I, II and III
C)II and III only
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 of the class.

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