Immediate Execution in LINQ

LINQImmediateExecution.cs

class ImmediateExecution
    {
        static void Main(string[] args)
        {
            var Employees = new List<Employee>
             {
                  new Employee { ID=1 , Name="Samir",  Salary=30000 },
                  new Employee { ID=2 , Name="Robert", Salary=42000 },
                  new Employee { ID=3 , Name="Peter",  Salary=54000 }
             };

            var emp = Employees.Where(x => x.Salary < 35000)
                               .Select(y => y.Name).ToList(); // LINQ Query is constructed and also executed here

            // Creating another Employee instance after the LINQ Query is constructed
            Employees.Add(new Employee { ID = 4, Name = "Mark", Salary = 18000 });

            foreach (var empName in emp)
            {
                Console.WriteLine(empName); // Output -- Samir
            }

        }
    }