title: android restlet get json array
body: <p>I have the json return from server like this:</p>
  
  <pre><code>[{"id":1,"group":[{"id":1,"subGroup":[{"id":1,"item":"X"}]}]}]
  </code></pre>
  
  <p>how to I get the arrays group and subgroup?</p>
  
  <p>I'm using restlet on Android Client.</p>
  
  <p>thanks all.</p>