Verificador portas

Main.java

package br.uem.din.verificadorPortas;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.net.DatagramSocket;
import java.util.ArrayList;

public class Main {

	/**
	 * @param args
	 * @throws IOException 
	 */
	public static void main(String[] args) throws IOException {
		BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));  
        String in;  
        while (true) {
        	System.out.println("Digite as portas separadas por virgula: ");
            System.out.print("> ");  
            in = reader.readLine();  
            if (in.equals("")) {  
                break;  
            }
            
            String[] portasStr = in.split(",");
            List<int> portas = new ArrayList();
            
            
            DatagramSocket socket = new DatagramSocket();
//            socket.
            
            //System.out.println("Você digitou: " + in);  
        }  
	}

}