static void Main(string[] args)
{
Console.WriteLine("Enter First Value");
int a = Convert.ToInt32(Console.ReadLine());
Console.WriteLine("Enter Second Value");
int b = Convert.ToInt32(Console.ReadLine());
Console.WriteLine("Enter Commands for Calculator: Type 1 for Addition and 2 for substraction");
string command = Console.ReadLine();
Invoker invoker = new Invoker();
//****************************************************
//Configuration
CalculatorReciever calculator = new CalculatorReciever(a, b);
AddCommand addCommand = new AddCommand(calculator);
SubtractCommand substractCommand = new SubtractCommand(calculator);
//*******************************************************************
if (command == "1")
{
Console.WriteLine("Add Command is selected and the Result is {0}", invoker.ExecuteCommand(addCommand));
}
else if (command == "2")
{
Console.WriteLine("Substract Command is selected and the Result is {0}", invoker.ExecuteCommand(substractCommand));
}
else
{
Console.WriteLine("You have entered wrong command. Please type Command '1' for addition or '2' for substraction");
}
Console.ReadLine();
}
public AddCommand(CalculatorReciever calculator)
{
_calculator = calculator;
}
public SubtractCommand(CalculatorReciever calculator)
{
_calculator = calculator;
}