What is the Use Of Interfaces?
For example I have a interface as shown below?
Interface IMyInterface
{
public void MyMethod();
}
class MyClass : IMyInterface
{
public void Mymethod()
{
Some Code
}
}
class Program
{
static void Main(string[] args)
{
MyClass obj = new MyClass();
obj.MyMethod();
}
}
Here What is My Question is?
If i remove Interface and run this code, it will executed then what is the Use
of the interface? Can any one give me the solution for this Problem?
Thanks in Advance!
class Program
{
void add()
{
int x=10, y=20;
fun();
Console.WriteLine("{0}", sum);
}
void fun()
{
int sum;
sum = x + y;
}
static void Main(string[] args)
{
Program f =new Program();
f.add();
}
}
Debug above program.....
There are a class A. Another class B derived from it.
Now if I do A a = new B(); and B b = new B(); What will
happen in both the statements. And what is the difference
between these two statements.
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