c# .net的Newtonsoft.Json序列化和反序列化

class Person
{
    private string name;
    public string Name { get => name; set => name = value; }

    //年龄
    private int age;
    public int Age { get => age; set => age = value; }

    //城市
    public string City { get; set; }

    //技能
    public List languages;

    public Person()
    {
        Name = "Andrew Magic";
        Age = 20;
        City = "Zhuhai";
        languages = new List();
    }
}

Person p1 = new Person();
string p1JsonStr = JsonConvert.SerializeObject(p1);

string p2JsonStr = "{"Name":"Jack" }";
Person p2 = JsonConvert.DeserializeObject(p2JsonStr);

Person p3 = new Person();
p3.Name = "LiMing";
p3.Age = 22;
p3.City = "Shanghai";
p3.languages.AddRange(new string[] { "C", "Java", "PHP" });

Person p4 = new Person();
p4.Name = "ZhangSan";
p4.Age = 20;
p4.City = "Beijing";
p4.languages.AddRange(new string[] { "C#", "Python", "Go" });

List list = new List { p3, p4 };
string objectsJsonStr = JsonConvert.SerializeObject(list);

List list = JsonConvert.DeserializeObject>(objectsJsonStr);
foreach (Person item in list)
{
    Console.WriteLine(item.Name);
}