How do i rewrite my code such that I clean it up using loops? I have attached the problem statement as well so the parameters are known. This problem is done and needs to be done on Matlab.

Give the steps to eliminate useless symbols?

I need the code from start to end with no errors and the explanation for the code ObjectivesJava refresher (including file I/O)Use recursionDescriptionFor this project, you get to write a maze solver. A maze is a two dimensional array of chars. Walls are represented as '#'s and ' ' are empty squares. The maze entrance is always in the first row, second column (and will always be an empty square). There will be zero or more exits along the outside perimeter. To be considered an exit, it must be reachable from the entrance. The entrance is not an exit.Here are some example mazes:mazeA7 9# # ###### # #   ## # # #### #     ## ##### ##       ########## RequirementsWrite a MazeSolver class in Java. This program needs to prompt the user for a maze filename and then explore the maze. Display how many exits were found and the positions (not indices) of the valid exits. Your program can display the valid exits found in any order. See the examples below for exact output requirements. Also, record…

So the histogram isn't showing in my program when I type 0, it just says invalid input and continues on with the code. I see it works on your side, but I need it to stop the code completely and show the stars for the numbers inputed.

Find out about Java’s switch-case statement. What is its -purpose? How is it used? Write an example. (This is also a control flow -statement, so you will find information in similar locations as for the do-while loop.)