A recursive helper method __________ (select all that are true)

A- Should only be used when recursing on arrays.
B- Allows you to add parameters to simplify the recursive calls on a method, but forces external code to use a more restricted parameter list.
C- Will generally have the same return type as the original method.
D- Must be written for every method that we'd like to define recursively.


Ans: B & C.

Computer Science & Information Technology

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