using System;

public class Program

{

    public static void Main()

    {

        var record1Obj1 = new Record1(FirstName: "Lin", LastName: "WeiHan");

        var record1Obj2 = new Record1(FirstName: "Lin", LastName: "WeiHan");

        Console.WriteLine(record1Obj1.GetHashCode());

        Console.WriteLine(record1Obj2.GetHashCode());

​

        var class1Obj1 = new Class1() { FirstName = "Lin", LastName = "WeiHan" };

        var class2Obj2 = new Class1() { FirstName = "Lin", LastName = "WeiHan" };

        Console.WriteLine(class1Obj1.GetHashCode());

        Console.WriteLine(class2Obj2.GetHashCode());

    }

}

​

public record Record1(string FirstName,string LastName);

​

public class Class1

{

    public string FirstName {get;init;}

    public string LastName{get;init;}

}