JSON OBJECT

private void getDataOgretmenler(){

    dersID = config.dersID;
    String ogretmenlerUrl = "http://www.spoileral.com/layout/php/android/ogretmenleriCek.php";
    StringRequest stringRequest = new StringRequest(Request.Method.POST, ogretmenlerUrl,
            new Response.Listener<String>() {
                @Override                public void onResponse(String response) {
                    JSONObject j = null;
                    try {

                        j = new JSONObject(response);


                        result2 = j.getJSONArray(config.JSON_ARRAY_OGRETMENLER);


                        getOgretmenler(result2);

                    } catch (JSONException e) {
                        e.printStackTrace();

                        ProgressDialog.dismiss();
                        Toast.makeText(getBaseContext(),"Öğretmenler Çekilemedi...", Toast.LENGTH_LONG).show();
                    }
                }
            },
            new Response.ErrorListener() {
                @Override                public void onErrorResponse(VolleyError error) {
                    ProgressDialog.dismiss();
                    Toast.makeText(getBaseContext(),"HATA: "+error.toString(), Toast.LENGTH_LONG).show();
                }
            }){
        @Override        protected Map<String, String> getParams() throws AuthFailureError {
            Map<String,String> map = new HashMap<String,String>();
            map.put(KEY_DERSID,dersID);
            return map;
        }
    };


    RequestQueue requestQueue = Volley.newRequestQueue(this);

    requestQueue.add(stringRequest);
}