static void Main(string[] args)
{
calculation obj = new calculation(Program.addition); // static use korar karon amr program diye addition method k call korte parsi
obj.Invoke(10, 20); // invoke diye ami parameter gula nilam
obj = substraction; // amra evabe o method k call dite pari
obj(10, 20); // parameter gula k evabe o pass korte parii
cal ob = new cal(Program.square);
ob.Invoke(6);
}
static void Main(string[] args)
{
calculation obj = new calculation(Program.addition); // static use korar karon amr program diye addition method k call korte parsi
obj.Invoke(10, 20); // invoke diye ami parameter gula nilam
obj = substraction; // amra evabe o method k call dite pari
obj(10, 20); // parameter gula k evabe o pass korte parii
cal ob = new cal(Program.square);
ob.Invoke(6);
calculation obj1 = new calculation(addition);
obj1 += substraction; // multicast delegate ekhane amr addition and substraction duita e kaj korbe and 1t add and then sub duita print korbee
obj1(100, 150);
}
