I need java code

(My Cypher) This is for you security people out there. Write a program that asks the user for a message or a code. If the user selects message, convert the message to a code using a cypher of your design. If the user selects code, then decrypt the cypher and print the message. SAMPLE RUN #1: Please enter (Message/Code): Message Please enter the message: Please send money! Here is your code: 16534e4r43wr4 SAMPLE RUN #2: Please enter (Message/Code): Code Please enter the code: 16534e4r43wr4 Here is your message: Please send money! (My Cypher) This is for you security people out there. Write a program that asks the user for a message or a code. If the user selects message, convert the message to a code using a cypher of your design. If the user selects code, then decrypt the cypher and print the message. SAMPLE RUN #1: Please enter (Message/Code): Message Please enter the message: Please send money! Here is your code: 16534e4r43wr4 SAMPLE RUN #2: Please enter (Message/Code): Code Please enter the code: 16534e4r43wr4 Here is your message: Please send money