Android : Json Parsing - Please let me know how can i parse th following json format in android/java

Please let me know how can I parse the following json in Android/Java. It's a json response but there is no array format.

{
    "user": {
        "user": {
            "ad_credit_currency": null,
            "ad_credit_payout": 0,
            "bank_account_no": null,
            "bank_branch": null,
            "bank_ifsc_code": null,
            "bank_name": null,
            "birthday": null,
            "buysell_commision_percent": null,
            "char_type": 0,
            "country_code": "",
            "created_at": "2014-09-26T17:30:26+05:30",
            "display_name": "asd asd",
            "email": "nipunmohan@hotmail.com",
            "email_hash": null,
            "email_verif_code": "77f9",
            "employment_status": null,
            "facebook_uid": null,
            "fb_id": null,
            "fname": "asd",
            "gender": null,
            "id": 7679975,
            "is_B2B": 0,
            "is_email_sent": 1,
            "is_email_verified": 0,
            "is_img_complete": 0,
            "is_setup": 1,
            "is_travel_agent": 0,
            "last_accessed_at": "2014-09-29T11:55:13+05:30",
            "lead_preference": null,
            "lname": "asd",
            "login_count": 2,
            "mobile_verf_date": "2013-12-20T00:09:37+05:30",
            "mobile_verf_re": 0,
            "mobile_verified": 0,
            "notify_only_my_loc": 0,
            "partner_ad_commision": 0,
            "partner_ad_commision_from": null,
            "partner_ad_commision_to": null,
            "partner_direct_manager_percent": null,
            "partner_direct_percent": null,
            "partner_parent_uuid": null,
            "partner_rest_percent": null,
            "partner_uuid": null,
            "pass_flag": true,
            "referred_by": null,
            "seller_type": null,
            "sub_type": "buyer",
            "system_pwd": "a",
            "third_party_creator_id": null,
            "third_party_user_id": null,
            "uid": "fb4ab079496f833b4faa7b109d699e",
            "user_entity": "buyer",
            "user_img_content_type": null,
            "user_img_file_name": null,
            "user_img_file_size": null,
            "user_img_root": "http://mydeals247.com",
            "user_img_updated_at": null,
            "user_status": "active",
            "user_tmp_data": null,
            "user_type": "user",
            "username": "nipunmohan@hotmail.com"
        }
    },
    "address": {
        "address": {
            "address": "---",
            "billing_addr": null,
            "city": "bangalore",
            "country": null,
            "fax": null,
            "id": 1103589,
            "latilong": "12.9715987||77.5945627 ",
            "mobile": "8861265665",
            "shipping_addr": null,
            "state": null,
            "street": null,
            "user_id": 7679975,
            "zip": "---"
        }
    },
    "merchant": null
}