子句jion

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace 子句join
{

    class Program
    {
        static void Main(string[] args)
        {
            List<Person> listPerson = new List<Person>();
            listPerson.Add(new Person(,"张1",));
            listPerson.Add(new Person(,"张2",));
            listPerson.Add(new Person(,"张3",));
            listPerson.Add(new Person(,"张4",));

            List<Car> listCar = new List<Car>();
            listCar.Add(new Car(,"宝马"));
            listCar.Add(new Car(, "雷霆"));
            listCar.Add(new Car(, "海马"));
            var query1 = from itemlistPerson in listPerson from itemlistCar in listCar where itemlistPerson.CarId == itemlistCar.Id select itemlistPerson;
            foreach (var item in query1)
            {
                Console.WriteLine(item.CarId.ToString()+" "+item.Name.ToString());
                Console.ReadKey();
            }
        }
    }
}