static void Main(string[] args) { List <Employee> employeeList = new List <Employee>() { new Employee() { id = 1, name = "Ankith", Mname = "Naga", dept = "IT", salary = 50000 }, new Employee() { id = 2, name = "Harshith", Mname = "Deepa", dept = "HR", salary = 40000 }, new Employee() { id = 3, name = "Alok", Mname = "Rohith", dept = "Sales", salary = 80000 }, new Employee() { id = 4, name = "Megha", Mname = "Sudheer", dept = "IT", salary = 10000 }, new Employee() { id = 5, name = "Deeksha", Mname = "Ayan", dept = "IT", salary = 8000 }, new Employee() { id = 6, name = "Arun", Mname = "Mohith", dept = "Account", salary = 5000 }, new Employee() { id = 7, name = "Prasad", Mname = "Naga", dept = "IT", salary = 70000 }, new Employee() { id = 8, name = "Tarun", Mname = "Sudheer", dept = "IT", salary = 50000 }, new Employee() { id = 9, name = "Monish", Mname = "Mohith", dept = "Account", salary = 60000 }, new Employee() { id = 10, name = "Kavya", Mname = "Mohith", dept = "Account", salary = 50000 }, }; Employee empl = new Employee(); empl.DisplayDetails(employeeList); empl.MaxSalary(employeeList); empl.MinSalary(employeeList); empl.TotalSalary(employeeList); empl.AverageSalary(employeeList); empl.DisplayEmployee(employeeList); empl.NoOfDepartment(employeeList); empl.HrEmp(employeeList); empl.NameFinding(employeeList); Console.ReadKey(); }