I would like to sove this problem in a similar way that I wrote on different exersice that I post . please write it in java. thank you.

a. Problem. Write an application, goCaesar, that will take in a message and a key and output the encrypted message. Your code should be able to take in an entire text file or input from the keyboard. b. Please use exception handling to make sure the user inputs an integer for the key value. c. Your code should also be able to decrypt the following: "XFRQQEDVNHWEDOOURFNV" using a Key of: 3