$3\mathrm{.}1$ Write a Socket$-$based Java tcp client$-$server in which the sever program responds to client messages as follows: When it receives a message from a client, it simply converts the message into all uppercase letters and sends back the same to the client. Write both client and server programs demonstrating this. Use a textfield to enter the message and a textarea to display the message from the server and a button to send.

Use Jframes to create the client interfaces