public static void Main(string[] args)
{
HelloFunctionDelegate del = new HelloFunctionDelegate(Hello);
del("Hello from Delegate");
List <Employee> emplist = new List <Employee>();
emplist.Add(new Employee()
{
ID = 101, Name = "Mary", Salary = 5000, Experience = 5
});
emplist.Add(new Employee()
{
ID = 101, Name = "Mike", Salary = 4000, Experience = 4
});
emplist.Add(new Employee()
{
ID = 101, Name = "John", Salary = 6000, Experience = 6
});
emplist.Add(new Employee()
{
ID = 101, Name = "Todd", Salary = 3000, Experience = 3
});
isPromotable ispromotable = new isPromotable(Promote);
Employee.PromoteEmployee(emplist, ispromotable);
// or use lamba expression
Employee.PromoteEmployee(emplist, emp => emp.Experience >= 5);
}
public static void Main()
{
List <Employee> empList = new List <Employee>();
empList.Add(new Employee()
{
ID = 101, name = "Mary", salary = 5000, experience = 5
});
empList.Add(new Employee()
{
ID = 102, name = "Mike", salary = 4000, experience = 4
});
empList.Add(new Employee()
{
ID = 103, name = "Jack", salary = 6000, experience = 6
});
empList.Add(new Employee()
{
ID = 104, name = "Ron", salary = 3000, experience = 3
});
//1.a Employee.promoteEmp(empList);
isPromotable isPromotable = new isPromotable(Promote);
Employee.promoteEmp(empList, isPromotable);
//this is a lambda expression. what this does is behind the scenes it creates a delegate, a function that has the same signature,
//then passes it to the function below. this will get rid of the line "isPromotable ..." above.
//Employee.promoteEmp(empList, emp => emp.experience >= 5);
}
public static void promoteEmployee(List <Employee> list, isPromotable isEligible)
{
foreach (Employee emp in list)
{
if (isEligible(emp))
{
Console.WriteLine($"{emp.Name} is Eligible for promotion");
}
}
}
public static void PromoteEmployee(List <Employee> employeeList, isPromotable IsEligibleToPromote)
{
foreach (Employee employee in employeeList)
{
if (IsEligibleToPromote(employee))
{
Console.WriteLine(employee.Name + " promoted");
}
}
}
public void PromoteEmployee(List <Employee> empList, isPromotable forPromotion)
{
foreach (Employee emp in empList)
{
if (forPromotion(emp))
{
Console.WriteLine("Promoted");
}
}
}
public static void IsEmployeePromatable(List <Employee> employees, isPromotable isPromotable)
{
foreach (Employee emp in employees)
{
if (isPromotable(emp))
{
Console.WriteLine(emp.Name + "Promoted!");
}
}
}
public void PromoteEmployees(list <Employee> EmployeeList, isPromotable Iseligible)
{
foreach (Employee employee in EmployeeList)
{
if (employee.Expirience >= 5)
{
Console.WriteLine(employee.Name + " Promoted");
}
}
}
//for delegateDemo
public static void promoteEmployee(List <EmployeeClass> Employees, isPromotable promoDelegate)
{
foreach (EmployeeClass emp in Employees)
{
if (promoDelegate(emp))
{
Console.WriteLine(emp.name);
}
}
}
static void Main(string[] args)
{
Console.WriteLine("Hello World!");
isPromotable isPromotable = new isPromotable(Employee.isEligible);
List <Employee> employees = new List <Employee>()
{
new Employee {
Id = 1, salary = 5000, Name = "H", Experience = 5
},
new Employee {
Id = 2, salary = 6000, Name = "I", Experience = 6
},
new Employee {
Id = 1, salary = 7000, Name = "J", Experience = 1
}
};
promoteEmployee(employees, isPromotable);
}
