How to competently design the Event and listener class in Java to “listen” to the printer?

Question

Java

The printer sends data to the server port (151) via the UDP protocol: paper jam, toner low ... How to correctly design the listener class in Java to listen to events on the port and the Event class to respond to these events.

Answer 1

It's better to make a server using NIO .
Example: www.java2s.com/Tutorial/Java/0320__Network/UDPEcho...