Delegates - General Questions (2)

Which of the following is the correct way to call subroutine MyFun() of the Sample class given below?

class Sample
{
public void MyFun(int i, Single j)
{
Console.WriteLine("Welcome to IndiaBIX !");
}
}

Which of the following is the correct way to call the function MyFun() of the Sample class given below?

class Sample
{
public int MyFun(int i)
{
Console.WriteLine("Welcome to IndiaBIX.com !" );
return 0;
}
}

Which of the following statements are correct about the delegate declaration given below?

delegate void del(int i);

1 On declaring the delegate a class called del will get created.

2 The signature of del need not be same as the signature of the method that we intend to call using it.

3 The del class will be derived from the MulticastDelegate class.

4 The method that can be called using del should not be a static method.

5 The del class will contain a one-argument constructor and an lnvoke() method.

Which of the following is the necessary condition for implementing delegates?

In which of the following areas are delegates commonly used?

1 Remoting

2 Serialization

3 File Input/Output

4 Multithreading

5 Event handling

Which of the following statements is incorrect about delegate?