5 5 Write a program Decrypt java which takes in the name of an encrypted file as a command line argument and the name of a file containing an appropriate keypad string This program will proceed to decrypt that file using the given keypad This program is the reverse of the previous program and if you ran these 2 2 programs in sequence you should wind up with the original file ( ( with all uppercase letters being replaced by lower case letters ) ) As before if the given encrypted file or the keypad file does not exist then exit with an error code of 1 1 and appropriate error message

Question: 5 . 5 . Write a program Decrypt.java which takes in the name of an encrypted file as a command line argument and the name

5 .

Write a program Decrypt.java which takes in the name of an encrypted file as a command line argument and the name of a file containing an appropriate keypad string. This program will proceed to decrypt that file using the given keypad. This program is the reverse of the previous program and if you ran these

2

programs in sequence you should wind up with the original file

(

with all uppercase letters being replaced by lower case letters

) .

As before if the given encrypted file or the keypad file does not exist then exit with an error code of

1

and appropriate error message.

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