import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import com.google.gson.Gson;

public class test {

    public class Bloque {

        Item items;

        public Bloque() {

        }

        public void setItems(Item items) {
            this.items = items;
        }

        public Item getItems() {
            return this.items;
        }

    }

    public class Item {

        private List<Map<String, List<Object>>> values;

        public Item() {

        }

        public List<Map<String, List<Object>>> getValues() {
            return values;
        }

        public void setValues(List<Map<String, List<Object>>> values) {
            this.values = values;
        }
    }

	public static void main(String[] args) {
		String json = "{\"items\":{\"values\":[{\"cCodint\":[1820541]}, {\"cCodint2\":[\"1820541\"]}]}}";


		Gson gson = new Gson();

		Bloque bloque = gson.fromJson(json, Bloque.class);

		System.out.println(gson.toJson(bloque));
	}

}