Please help. The code has to implement both iterative and recursive reversedStack methods and also calculate and return the time it took to implement it in nanoseconds. Thank you.

TASK 4. Implement both iterative and recursive reversedStack methods. Run the code, debug if needed, calculate time it took in nano seconds to implement each algorithm. Provide a screenshot of at least one successful run of the code for each version. Fill out the table above and provide a short summary of your results