Q$4(30$ pts$).$ Write the necessary JAVA classes to implement a simple Server running on Port $2023,$ serving multiple

concurrently. Assume that the clients will always send a message in the following format $($request$\_$id$,$ request$\_$type, payloas

server, upon receiving a request, should identify the request$\_$type and send back a reply accordingly. The table below show

request types and the corresponding replies. Also, the request$\_$type OxA$4$ should tear down the $\frac{1}{0}$ streams and the socke!

Your server will send the replies in the same message format. The reply should contain a request$\_$jd $+1,$ the same request.

the reply content as the payload. Please pay attention that, you are not required to code the client class or the main classWrite the necessary JAVA classes to implement a simple Server running on Port $2022,$ serving multiple clients concurrently. Always send a message in the following format $($request$\_$id$,$ request$\_$type, payload$).$ Your server, upon receiving a request, should identify the request$\_$type and send back a reply accordingly. The table below shows the request types and the corresponding replies. Also, the request$\_$type OxA$4$ should tear down the $1/0$ streams and the socket session. Your server will send the replies in the same message format. The reply should contain a request$\_$id$+1,$ the same request type and the reply content as the payload.