Lab Activity $1$: Encrypt File using Java

Write a Java code that encrypt data using Caesar Cipher technique. By passing the message and the key

to encrypt the message.

$1.$ Create Message.txt file and put the following text in this file:

Hello my friend, can we meet today in my office afternoon?

Do not forget to bring your laptop.

$2.$ Write a Java code that read the login$.$txt file and encrypt it using Caesar Cipher technique. This

code prompt the user to input the key and based on the key it encrypt the content of the

login$.$txt file. The decrypted message will be saved in output.txt file