private static void Main(string[] args)
{
// We have same methods same method definition in parent classes and child classes. Since we have created
// the object of child class so methods of child class will be called and not the methods of the parent class.
var T3 = new ThirdClass();
var T3Sum = T3.Add(1, 2);
var T3Sub = T3.Sub(2, 1);
var T3Mul = T3.Mul(1, 2);
FirstClass T1 = new ThirdClass();
// Even though we have instantiated a ThirdClass to object of First class by variable T1
//we can only access the methods of First class, Inorder to access the methods of ThirdClass
// we should declare as vertual in parent class(FirstClass) and override in ThirdClass(Dynamic Polymorphism)
// we should declare as vertual in parent class(FirstClass) and override in ThirdClass(Dynamic Polymorphism)
Console.WriteLine(T1);
var T31Sum = T1.Add(1, 2);
var T31Sub = T1.Sub(2, 1);
var T31Mul = T1.Mul(1, 2);
var T31Add = T1.AddExtraInFirstClass(1, 2);
var F1 = new MultiplicationClassFirst();
F1.firstClassPublicObject = 10;
}
public static void Main(string[] args)
{
int FirstProgramInt;
// we can not create object for abstract classes.
var F1 = new MultiplicationClassFirst();
F1.firstClassPublicObject = 12;
var F1Sum = F1.Add(1, 2);
var F1Mul = F1.Mul(1, 2);
var F1Sub = F1.Sub(1, 2);
var F2 = new MultiplicationClassSecond();
F2.firstClassPublicObject = 15;
var F2Sum = F2.Add(1, 2);
var F2Mul = F2.Mul(1, 2);
var F2Sub = F2.Sub(1, 2);
var F3 = new MultiplicationClassThird();
F3.firstClassPublicObject = 15;
var F3Sum = F3.Add(1, 2);
var F3Mul = F3.Mul(1, 2);
var F3Sub = F3.Sub(1, 2);
}
public void ExampleMethod()
{
// Since this is a class with different name space so in order to create a object to a class which is present
// in other name space we need to import that name space as above using AbstractClassesAndOtherPracticeProjectsHere;
// If you are working with the same name space then this is not required.
var F1 = new MultiplicationClassFirst();
F1.firstClassPublicObject = 15;
// Protected internal of another name space is not accesible here,F1.firstClassProtectedInternalObject = 16;
}
