somewhat of a peer/bot

peer5.java

package org.white5moke;

import java.io.IOException;
import java.net.*;
import java.nio.charset.StandardCharsets;

class Peer5 {
    public Sender sender;
    public Receiver receiver;
    public int port;

    public Peer5(int p) throws IOException {
        port = p;

        new Receiver(port).start();
        new Sender(port).start();
    }
}

class Receiver extends Thread {
    public DatagramSocket socket;
    public DatagramPacket packet;
    public int port;

    public Receiver(int p) throws SocketException {
        port = p;
        socket = new DatagramSocket(port);
        packet = new DatagramPacket(new byte[1024], 1024);
    }

    @Override
    public void run() {
        String temp;
        while(true) {
            try {
                socket.receive(packet);
                temp = new String(packet.getData(), StandardCharsets.UTF_8);
                System.out.println(String.format("this is what has been received: %s", temp));
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
    }
}

class Sender extends Thread {
    public byte[] data;
    public DatagramSocket socket;
    public DatagramPacket packet;
    public InetAddress host;
    public int port;

    public Sender(int p) throws IOException {
        host = InetAddress.getLocalHost();
        port = p;

        data = "Hello, weeps!".getBytes(StandardCharsets.UTF_8);
        socket = new DatagramSocket();
        socket.setBroadcast(true);

        packet = new DatagramPacket(data, data.length, host, port);
    }

    public void run() {
        for(int i=0; i<10; i++) {
            System.out.println(String.format(
                    "the owls are not what they seem... %s",
                    new String(packet.getData(), StandardCharsets.UTF_8)
            ));
            try {
                socket.send(packet);
            } catch (IOException e) {
                e.printStackTrace();
            }
            try {
                Thread.sleep(5000);
            } catch (InterruptedException e) {
                e.printStackTrace();
            }
        }
    }
}

public class App {

    public App(int port) throws IOException {
        new Peer5(port);
        /*
        Node node1 = new Node(port);
        Thread _node1 = new Thread(node1);
        _node1.start();
         */
    }

    public static void main(String[] args) throws IOException {
        new App(Integer.parseInt(args[0]));
    }
}