C# 6 Features: String Interpolation

Person.cs

public class Person
{
	public Person()
	{
		PersonId = Guid.NewGuid();
	}
	
	public Guid PersonId { get; set; }
	
	public string FirstName { get; set; }
	public string LastName { get; set; }
	
}

StringConcatCrazy.cs

	public static void Main()
	{
		var person = new Person();
		person.FirstName = "Joe";
		person.LastName = "Reynolds";
		
		var outputStr = "Person ID: " + person.PersonId + Environment.NewLine + 
			"Name: " + person.FirstName + " " + person.LastName;
		
		Console.WriteLine(outputStr);
		
	}

StringInterpAfter.cs

using System;

public class Program
{
	public static void Main()
	{
		var person = new Person();
		person.FirstName = "Joe";
		person.LastName = "Reynolds";
		Console.WriteLine($"New Person ID: {person.PersonId}");
		Console.WriteLine($"New Name: {person.FirstName} {person.LastName}");
		Console.WriteLine("Did it work?");
	}
}

StringInterpBefore.cs

using System;

public class Program
{
	public static void Main()
	{
		var person = new Person();
		person.FirstName = "Joe";
		person.LastName = "Reynolds";
		Console.WriteLine(string.Format("Person ID: {0}", person.PersonId.ToString()));
		Console.WriteLine(string.Format("Name: {0} {1}", person.FirstName, person.LastName));
		Console.WriteLine("Did it work?");
	}
}

StringInterpDotNet2.cs

static void Main(string[] args)
{
    string name = "Stranger";
    Console.WriteLine($"Howdy {name}");
    Console.ReadKey();
}