using System;

public class Program

{

    public static void Main()

    {

        Example exClass = new Example();

        exClass.num = 1;

        exClass.str = "One";

        Console.WriteLine($"Num is {exClass.num} and Str is {exClass.str}");

        Example exClass2 = new Example{

            num = 2,

            str = "Two"

        };

        Console.WriteLine($"Num is {exClass2.num} and Str is {exClass2.str}");

    }

}

​

public class Example

{

    public int num {get; set;}

    public string str {get; set;}

}