static void Main(string[] args)
{
//Cài NewtonSoft
//dotnet add package NewtonSoft.Json
List <Student> listStudents = new List <Student>();
listStudents.Add(new Student("Dao Van A", 21, "Thai Binh"));
listStudents.Add(new Student("Dao Van B", 21, "Ha Noi"));
listStudents.Add(new Student("Dao Van C", 21, "Hai Phong"));
listStudents.Add(new Student("Dao Van D", 21, "Thanh Hoa"));
listStudents.Add(new Student("Dao Van E", 21, "Nghe An"));
//Chuyển collection -> JSON Text
string jsonText = JsonConvert.SerializeObject(listStudents);
WorkingWithFile wwf = new WorkingWithFile();
//wwf.WriteTextIntoFile("data.json", jsonText);
string textDataFromFile = wwf.ReadTextFromFile("data.json");
//Chuyển text json -> collection
List <Student> listFromJsonText = JsonConvert.DeserializeObject <List <Student> >(textDataFromFile);
listFromJsonText.Add(new Student("JAV", 22, "Ha Noi"));
jsonText = JsonConvert.SerializeObject(listFromJsonText);
wwf.WriteTextIntoFile("data.json", jsonText);
}
