title: How to remove empty json object in jsonarray
body: <pre><code>JSONObject sss = arr_cat_details_old.getJSONObject(0).getJSONArray("pac_selected").getJSONObject(1);
           sss.remove("pack_selected_id");
  
  "pac_selected": [{
          "pack_selected_id": "7"
      }, {}, {
          "pack_selected_id": 45
      }]
  </code></pre>