Caesar Cipher Decryption Tool in Java

One of my university modules tasked me with developing a Caesar cipher decryption tool. The tool had to be able to decrypt any encrypted text without knowing the offset used to encrypt the text. The code is surprisingly short and I am not aware of any other Java examples.  The code was originally developed with a command line interface however I have ported it to run on a tomcat server.

To tool is available here: CCDT and the text file mentioned below is from Practical Cryptography

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