a test JSON string for this tutorial: https://www.simplifiedcoding.net/android-volley-tutorial-to-get-json-from-server/

json.php

{
   "result":[  
      {  
         "id":"1",
         "name":"belal",
         "email":"[email protected]"
      },
      {  
         "id":"3",
         "name":"sunny",
         "email":"[email protected]"
      },
      {  
         "id":"4",
         "name":"belal",
         "email":"[email protected]"
      },
      {  
         "id":"5",
         "name":"test1",
         "email":"[email protected]"
      }
   ]
}