JSONObject jsonObject = null;
                    try {
                        jsonObject = new JSONObject(response);
                        JSONArray hotDealProduct =  jsonObject.getJSONArray("ListProduct");
                        setHotDealAdapter(hotDealProduct);
                        Log.e(TAG,hotDealProduct.toString());
                    } catch (JSONException e) {
                        e.printStackTrace();
                    }

for (int i=0;i<hotDealProduct.length();i++) {
        try {
            JSONObject object = hotDealProduct.getJSONObject(i);
            final String discount = object.getString("discount");
            final String price = object.getString("Price");
            final String salePrice = object.getString("SalePrice");
            final String image = object.getString("MainImage");
            final String name = object.getString("Name");
            products.add(new HotDeal(1,discount, price ,image,salePrice,name));
            adapter = new HotDealAdapter(context,products);
            rvHotDeal.setLayoutManager(new GridLayoutManager(context,2));
            rvHotDeal.setAdapter(adapter);
            adapter.notifyDataSetChanged();
        } catch (JSONException e) {
            e.printStackTrace();
        }

for (int i=0;i<hotDealProduct.length();i++) {
            try {
                JSONObject object = hotDealProduct.getJSONObject(i);
                final String discount = object.getString("discount");
                final String price = object.getString("Price");
                final String salePrice = object.getString("SalePrice");
                final String image = object.getString("MainImage");
                final String name = object.getString("Name");
                products.add(new HotDeal(1,discount, price ,image,salePrice,name));

            } catch (JSONException e) {
                e.printStackTrace();
            }
                adapter = new HotDealAdapter(context,products);
                rvHotDeal.setLayoutManager(new GridLayoutManager(context,2));
                rvHotDeal.setAdapter(adapter);
                adapter.notifyDataSetChanged();

for (int i=0;i<hotDealProduct.length();i++) {
                try {
                    JSONObject object = hotDealProduct.getJSONObject(i);
                    final String discount = object.getString("discount");
                    final String price = object.getString("Price");
                    final String salePrice = object.getString("SalePrice");
                    final String image = object.getString("MainImage");
                    final String name = object.getString("Name");
                    products.add(new HotDeal(1,discount, price ,image,salePrice,name));

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

    adapter = new HotDealAdapter(context,products);
                    rvHotDeal.setLayoutManager(new GridLayoutManager(context,2));
                    rvHotDeal.setAdapter(adapter);

implementation 'com.google.code.gson:gson:2.8.2'

ArrayList<YourPOJO> itemlist = new ArrayList<>();

{
// Your code implementation of binding data to recyclerview :

GsonBuilder gsonbuilder= new GsonBuilder();

Gson gson=gsonbuilder.create();
//response = its your json string from server
itemList =gson.fromJson(response, new TypeToken<List<YourPOJO>>(){}.getType());

yourAdapter = new YourAdapter(itemList);

yourRecyclerview.setAdapter(yourAdapter);

}