For sending a message like printing to chat with PircBotX I use:
event.getChannel().send().message(“Message goes here”);
For getting a message I like using:
event.getMessage().equalsIgnoreCase(“Message goes here”)
Imports I use
import org.pircbotx.hooks.PircBotX;
import org.pircbotx.hooks.Event;
import org.pircbotx.hooks.events.MessageEvent;;