title: Update elements in a JSONObject
body: <p>Lets say I gave a JSONObject</p>
  
  <pre><code>{
   "person":{"name":"Sam", "surname":"ngonma"},
   "car":{"make":"toyota", "model":"yaris"}
   }
  </code></pre>
  
  <p>How do I update some of the values in the JSONObject? </p>
  
  <p>Like below :</p>
  
  <pre><code>String name = jsonArray.getJSONObject(0).getJSONObject("person").getString("name");
  name = "Sammie";
  </code></pre>