using System;

public class Person1

{

    private string name="";

    public string Name{get=>name;set=>throw new Exception();}

}

​

public class Person2

{

    public string Name{get;init;}

}

public static class Program

{

    public static void Main(string[] args)

    {

        Person1 alice=null;

​

        try

        {

            alice = new Person1(){Name="Alice"};

        } catch

        {

            Console.WriteLine($"alice is null: {alice == null}");

        }   

        try

        {

            alice = new Person1();

            alice.Name = "Alice";

        }catch

        {

            Console.WriteLine($"alice is null: {alice == null}");

        }

        var bob = new Person2(){Name="Bob"};

        var jack = new Person2();

        jack.Name = "Jack";

    }

}