using System;

public class Program

{

    public static void Main()

    {

​

            VirtualMan vmWithoutName = new VirtualMan()

            {

                InstanceId = "ABC",

                Name = null,

                State = "India",

                Region = "Maharashtra",

                InstanceType = "Beginner",

                KeyName = "KeyVault"

            };

​

​

            VirtualMan vmName = new VirtualMan()

            {

                InstanceId = "ABC",

                Name = "Bruce Wayne",

                State = "India",

                Region = "Maharashtra",

                InstanceType = "Beginner",

                KeyName = "KeyVault"

            };

​

            Console.WriteLine("-----Without Name---");

             //String interpolation does not supports in .net fiddle

             //var str = vmWithoutName.Name != null ? $"name is test {vmWithoutName.Name} " : string.Empty;

            //Console.WriteLine($"VM {str}ID is {vmWithoutName.InstanceId}. State is: {vmWithoutName.State}. Location: {vmWithoutName.Region} and the Instance Type is {vmWithoutName.InstanceType}. Key is {vmWithoutName.KeyName}.");

            var str = vmWithoutName.Name != null ? string.Format("name is {0} ", vmWithoutName.Name) : string.Empty;

            Console.WriteLine(string.Format("VM {0}ID is {1}. State is: {2}. Location: {3} and the Instance Type is {4}. Key is {5}.",

                                           str, vmWithoutName.InstanceId, vmWithoutName.State, vmWithoutName.Region, vmWithoutName.InstanceType, vmWithoutName.KeyName));

            Console.WriteLine("\n\n-----With Name---");

            //var str1 = vmName.Name != null ? $"name is test {vmName.Name} " : string.Empty;

            //Console.WriteLine($"VM {str1}ID is {vmName.InstanceId}. State is: {vmName.State}. Location: {vmName.Region} and the Instance Type is {vmName.InstanceType}. Key is {vmName.KeyName}.");

            var str1 = vmName.Name != null ? string.Format("name is {0} ", vmName.Name) : string.Empty;

            Console.WriteLine(string.Format("VM {0}ID is {1}. State is: {2}. Location: {3} and the Instance Type is {4}. Key is {5}.",

                                        str1, vmName.InstanceId, vmName.State, vmName.Region, vmName.InstanceType, vmName.KeyName)); 

​

        }

​

        public class VirtualMan

        {

            public string InstanceId { get; set; }

            public string Name { get; set; }

            public string State { get; set; }

            public string Region { get; set; }

            public string InstanceType { get; set; }

            public string KeyName { get; set; }

        } 

}