Part $2\mathrm{.}1.$ Answer the following True$/$False questions about Recursion.

A$.$ Every recursive call in Java is stored in the heap to manage memory more efficiently.

B$.$ Tail recursion optimizations by a compiler can help reduce or eliminate the stack space used by recursive calls.

C$.$ Recursion is commonly used to traverse directories and their contents within a file system because directories can contain nested directories.

D$.$ Recursion is one strategy among others for solving complex problems where functions calt themselves.

E$.$ Recursion is more memory$-$efficient than iterative solutions.

F$.$ A recursive function must always return a value.