Please help solve this Java problem. Source code for MessageEncoder.java and MessageDecoder.Java is below.Filename: MessageEncoder.javapublic interface MessageEncoder { /** * The method that encodes text * @param plainText the text to encode * @return the encoded text */ public abstract String encode(String plainText);} Filename: MessageDecoder.Java public interface MessageDecoder { /** * This method will decode the cypher text * @param cipherText the encoded message * @return the decoded text */ public abstract String decode(String cipherText);} Create the classes SubstitutionCipher and ShuffleCipher, as described below:1. SubstitutionCipher implements the interfaces MessageEncoder and MessageDecoder.The constructor should have one parameter called shift. Define the method encode so thateach letter is shifted by the value in shift. For example, if shift is 3, a will be replacedby d, b will be replaced by e, c will be replaced by f, and so on. (Hint: You may wish todefine a private method that shifts a single character.)2. ShuffleCipher that implements the interface MessageEncoder and MessageDecoder. Theconstructor should have one parameter called n. Define the method encode so that themessage is shuffled n times. To perform one shuffle, split the message in half and thentake characters from each half alternately. For example, if the message is abcdefghi, thehalves are abcde and fghi. The shuffled message is afbgchdie. (Hint: You may wish todefine a private method that performs one shuffle.)3. Create a JavaFX application that uses a TextField to get a message and encode or decodeit using the classes described above. Use buttons to control the kind of cipher used and tospecify whether to encode or decode the message. Also use a TextField to get the numberused in the constructor for the ciphers. Also include a counter to show the number ofmessages encoded or decoded.

Please help solve this Java problem. Source code for MessageEncoder.java and MessageDecoder.Java is below. Filename: MessageEncoder.java public interface MessageEncoder { /** * The method that encodes text * @param plainText the text to encode * @return the encoded text */ public abstract String encode(String plainText); } Filename: MessageDecoder.Java public interface MessageDecoder { /** * This method will decode the cypher text * @param cipherText the encoded message * @return the decoded text */ public abstract String decode(String cipherText); }

Please help solve this Java problem. Source code for MessageEncoder.java and MessageDecoder.Java is below. Filename: MessageEncoder.java public interface MessageEncoder { /** * The method that encodes text * @param plainText the text to encode * @return the encoded text */ public abstract String encode(String plainText); } Filename: MessageDecoder.Java public interface MessageDecoder { /** * This method will decode the cypher text * @param cipherText the encoded message * @return the decoded text */ public abstract String decode(String cipherText); }

Microsoft Visual C#

7th Edition

ISBN:9781337102100

Author:Joyce, Farrell.

Publisher:Joyce, Farrell.

Chapter10: Introduction To Inheritance

Section: Chapter Questions

Problem 20RQ

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