godsofheaven_basic_bot_template

//Just a basic template to get started. Ignore this if you're familiar with the working.
import net.dv8tion.jda.api.JDABuilder;
import net.dv8tion.jda.api.events.message.MessageReceivedEvent;
import net.dv8tion.jda.api.hooks.ListenerAdapter;


import javax.security.auth.login.LoginException;

public class Main extends ListenerAdapter {
    public static void main (String[] args) throws LoginException {
        JDABuilder builder = JDABuilder.createDefault("Your_Token_Here");
        builder.addEventListeners(new Main());
        builder.build();
    }

    @Override
    public void onMessageReceived(MessageReceivedEvent event)
    {
        System.out.println("We recieved a message from "+ event.getAuthor().getName() + ":" + event.getMessage().getContentDisplay());

        if(event.getMessage().getContentRaw().matches("Bye"))
        {
            event.getChannel().sendMessage("Good Night").queue();
        }
    }
}