Mega Code Archive
Use enum type categorize objects
<![CDATA[
using System;
enum EmployeeTypeEnum
{
Employee,
Manager
}
class Employee
{
public Employee(string name, float billingRate)
{
this.name = name;
this.billingRate = billingRate;
type = EmployeeTypeEnum.Employee;
}
public float CalculateCharge(float hours)
{
if (type == EmployeeTypeEnum.Manager)
{
Manager c = (Manager) this;
return(c.CalculateCharge(hours));
}
else if (type == EmployeeTypeEnum.Employee)
return(hours * billingRate);
return(0F);
}
public string TypeName()
{
if (type == EmployeeTypeEnum.Manager)
{
Manager c = (Manager) this;
return(c.TypeName());
}
else if (type == EmployeeTypeEnum.Employee)
return("Employee");
return("No Type Matched");
}
private string name;
protected float billingRate;
protected EmployeeTypeEnum type;
}
class Manager: Employee
{
public Manager(string name, float billingRate) :
base(name, billingRate)
{
type = EmployeeTypeEnum.Manager;
}
public new float CalculateCharge(float hours)
{
if (hours < 1.0F)
hours = 1.0F; // minimum charge.
return(hours * billingRate);
}
public new string TypeName()
{
return("Civil Employee");
}
}
class MainClasss{
public static void Main(){
Employee[] earray = new Employee[2];
earray[0] = new Employee("A", 15.50F);
earray[1] = new Manager("B", 40F);
Console.WriteLine("{0} charge = {1}",
earray[0].TypeName(),
earray[0].CalculateCharge(2F));
Console.WriteLine("{0} charge = {1}",
earray[1].TypeName(),
earray[1].CalculateCharge(0.75F));
}
}
Employee charge = 31
Civil Employee charge = 40
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