title: How to get my ip address?
body: <p>I've a serverSocket and I would like to know the IP address, but with</p>
  
  <pre><code>listenSocket.getInetAddress().toString();
  </code></pre>
  
  <p>I get <em>0.0.0.0</em> .
  How can I get the IP address, or (if there are two connections enabled) one of them?</p>