using System;

​

public class Program

{

    public static void Main()

    {

        // Value Type

        int i = 0;

        int j = i;

        j = 1;

        Console.WriteLine($"i = {i}, j = {j}");

        // Reference Type

        Student s1 = new Student(1, "Luna");

        Student s2 = s1;

        s2.id = 2;

        Console.WriteLine($"Student 1 id = {s1.id}, Student 2 id = {s2.id}");

    }

}

​

public class Student

{

    public int id

    {

        get;

        set;

    }

​

    public string name

    {

        get;

        set;

    }

​

    public Student(int Id, string Name)

    {

        this.id = Id;

        this.name = Name;

    }

}