C# 3.0 で導入されたオブジェクト初期化子とコレクション初期化子

using System;

namespace Initializer1
{
	class Person
	{
		int age;
		string name;

		public int Age
		{
			get
			{
				return age;
			}
			set
			{
				age = value;
			}
		}

		public string Name
		{
			get
			{
				return name;
			}
			set
			{
				name = value;
			}
		}

		public void ShowInfo()
		{
			Console.WriteLine("{0} ({1})", name, age);
		}
	}

	class Program
	{
		static void Main(string[] args)
		{
			Person p1 = new Person();
			p1.Age = 30;
			p1.Name = "Ichiro Suzuki";

			Person p2 = new Person()
			{
				Age = 40,
				Name = "Ryan Mayfield"
			};

			p1.ShowInfo();
			p2.ShowInfo();
		}
	}
}

using System;
using System.Collections.Generic;

namespace Initializer2
{
	class Person
	{
		int age;
		string name;

		public int Age
		{
			get
			{
				return age;
			}
			set
			{
				age = value;
			}
		}

		public string Name
		{
			get
			{
				return name;
			}
			set
			{
				name = value;
			}
		}

		public void ShowInfo()
		{
			Console.WriteLine("{0} ({1})", name, age);
		}
	}

	class Program
	{
		static void Main(string[] args)
		{
			List<Person> people = new List<Person>{
				new Person() {
					Age = 10,
					Name = "Hanako Yamada"
				},
				new Person() {
					Age = 20,
					Name = "Ichiro Suzuki"
				}
			};

			foreach (Person p in people)
			{
				p.ShowInfo();
			}
		}
	}
}