rue $/$ False. Explain your reasoning.

Ackermann is proof that there exist problems that can be computed recursively but not iteratively.

Boxed objects CANNOT be used interchangeably with unboxed primitive types everywhere without worry.

It is possible to access the elements in a LinkedList in sequence from the beginning to the end just as fast as an ArrayList.

Two objects with the same hash value are guaranteed to be equal.

Passing all your unit tests does NOT mean your code is error free.