PLEASE DON'T USE "IF" OR "RETURN" STATEMENTS AND NOOOO "\N","\" VALUES EITHER Welcome to the CSE142 Encryption MachineThe program lets you encrypt a messagewith a key for your recipient to decrypt!Encrypted messages use a shared keyword to decrypt.Enter key: cseonefortytwo"cseonefortytwo" has been encrypted to: fvhrqhiruwbwzrHow many words is your message? 4Next word: computer"computer" has been encrypted to: frpsxwhuNext word: science"science" has been encrypted to: vflhqfhNext word: is"is" has been encrypted to: lvNext word: awesome"awesome" has been encrypted to: dzhvrphMessage fully encrypted. Happy secret messaging! As usual, we recommend you approach the program in stages, rather than trying to complete everything at once. Specifically, we suggest implementingfunctionality in the following order:1 Single letter: Write a method to encrypt a fixed single letter with a fixed shift of 3.2 Parametrized letters: Modify your single letter encryption method to be able to encrypt any letter in your alphabet with a shift of three.You'll need to have implemented your ALPHABET constant to do this.3 Single word: Once your single letter encryption method completely works, write a method that encrypts a single word with a shift of 3 by callingyour single letter method.4 User input: Prompt the user for a key and a message to encrypt and output the encrypted ciphertext.5 SHIFT constant: modify your program to use a constant to determine the amount to shift characters by.HintsRemember that you can find the index of a specific character within a String with the index0f(char) methodYou can also find the character at a specific index within a String with the charAt(int) methodTo allow for characters wrapping around the alphabet, it might be helpful to think of the alphabet as being circular. Use the mod (%) operator to wraparound!If your program is generating InputMismatchException errors, you are likely reading the wrong type of values from your Scanner (for example, usingnextInt to read text).

Required java code Provided with screenshot and output provided below :

Welcome to the CSE142 Encryption Machine The program lets you encrypt a message with a key for your recipient to decrypt! Encrypted messages use a shared keyword to decrypt. Enter key: cseonefortytwo "cseonefortytwo" has been encrypted to: fvhrqhiruwbwzr How many words is your message? 4 Next word: computer "computer" has been encrypted to: frpsxwhu Next word: science "science" has been encrypted to: vflhqfh Next word: is "is" has been encrypted to: lv Next word: awesome "awesome" has been encrypted to: dzhvrph Message fully encrypted. Happy secret messaging!

Welcome to the CSE142 Encryption Machine The program lets you encrypt a message with a key for your recipient to decrypt! Encrypted messages use a shared keyword to decrypt. Enter key: cseonefortytwo "cseonefortytwo" has been encrypted to: fvhrqhiruwbwzr How many words is your message? 4 Next word: computer "computer" has been encrypted to: frpsxwhu Next word: science "science" has been encrypted to: vflhqfh Next word: is "is" has been encrypted to: lv Next word: awesome "awesome" has been encrypted to: dzhvrph Message fully encrypted. Happy secret messaging!

Computer Networking: A Top-Down Approach (7th Edition)

7th Edition

ISBN:9780133594140

Author:James Kurose, Keith Ross

Publisher:James Kurose, Keith Ross

Chapter1: Computer Networks And The Internet

Section: Chapter Questions

Problem R1RQ: What is the difference between a host and an end system? List several different types of end...

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Question

PLEASE DON'T USE "IF" OR "RETURN" STATEMENTS AND NOOOO "\N","\" VALUES EITHER

Welcome to the CSE142 Encryption Machine
The program lets you encrypt a message
with a key for your recipient to decrypt!
Encrypted messages use a shared keyword to decrypt.
Enter key: cseonefortytwo
"cseonefortytwo" has been encrypted to: fvhrqhiruwbwzr
How many words is your message? 4
Next word: computer
"computer" has been encrypted to: frpsxwhu
Next word: science
"science" has been encrypted to: vflhqfh
Next word: is
"is" has been encrypted to: lv
Next word: awesome
"awesome" has been encrypted to: dzhvrph
Message fully encrypted. Happy secret messaging!

As usual, we recommend you approach the program in stages, rather than trying to complete everything at once. Specifically, we suggest implementing
functionality in the following order:
1 Single letter: Write a method to encrypt a fixed single letter with a fixed shift of 3.
2 Parametrized letters: Modify your single letter encryption method to be able to encrypt any letter in your alphabet with a shift of three.
You'll need to have implemented your ALPHABET constant to do this.
3 Single word: Once your single letter encryption method completely works, write a method that encrypts a single word with a shift of 3 by calling
your single letter method.
4 User input: Prompt the user for a key and a message to encrypt and output the encrypted ciphertext.
5 SHIFT constant: modify your program to use a constant to determine the amount to shift characters by.
Hints
Remember that you can find the index of a specific character within a String with the index0f(char) method
You can also find the character at a specific index within a String with the charAt(int) method
To allow for characters wrapping around the alphabet, it might be helpful to think of the alphabet as being circular. Use the mod (%) operator to wrap
around!
If your program is generating InputMismatchException errors, you are likely reading the wrong type of values from your Scanner (for example, using
nextInt to read text).

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