How to implement joins in LINQ

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

namespace LINQPractice
{
    class Department
    {
        public int DeptId { get; set; }
        public string DeptName { get; set; }
        public string Location { get; set; }
    }
    class Joins
    {
        static void Main(string[] args)
        {
            List employees = new List
            {
                new Employee{EmpId=100,EmpName="sachin",Salary=15000,DeptName="sales"},
                new Employee{EmpId= 101,EmpName="scott",Salary=12000,DeptName="hr"},
                new Employee{EmpId=102,EmpName="rahul",Salary=13000,DeptName="it"},
                new Employee{EmpId=103,EmpName="ilyas",Salary=13000,DeptName="sales"}
            };

            List departments = new List
            {
                new Department {DeptId=1,DeptName="sales",Location="Dublin"},
                new Department {DeptId=1,DeptName="hr",Location="Dublin"},
                new Department {DeptId=1,DeptName="it",Location="Hyderabad"}
            };

            Console.WriteLine("Join using LINQ Query");
            var joinquery = from emp in employees
                            join dept in departments
                            on emp.DeptName equals dept.DeptName
                            select new { Name = emp.EmpName, Dept = dept.DeptName, Location = dept.Location };
            foreach (var item in joinquery)
            {
                Console.WriteLine("{0,-8}{1,-7}{2,-10}", item.Name, item.Dept, item.Location);                
            }
            Console.ReadLine();
        }
    }
}