LINQ説明用Program.cs

Program.cs

static void Main(string[] args)
{
    List<Person> personList = new List<Person>();

    personList.Add(new Person() { Name = "ほげほげ太郎", Age = 20 });
    personList.Add(new Person() { Name = "ほげほげ太郎", Age = 21 });
    personList.Add(new Person() { Name = "はげはげ太郎", Age = 45 });
    personList.Add(new Person() { Name = "しーしゃーぷ", Age = 32 });
    personList.Add(new Person() { Name = "しーしぇぱーど", Age = 26 });
    personList.Add(new Person() { Name = "とぅーびー", Age = 15 });
    personList.Add(new Person() { Name = "えーとぅー", Age = 69 });
    personList.Add(new Person() { Name = "ないんず", Age = 1000 });
}