Which of the following statements are correct about functions and subroutines us

CuriousTab

CuriousTab

Home Aptitude

Discussion

Home ‣ C# Programming ‣ Functions and Subroutines See What Others Are Saying!

Question
Which of the following statements are correct about functions and subroutines used in C#.NET?
1. A function cannot be called from a subroutine.
2. The ref keyword causes arguments to be passed by reference.
3. While using ref keyword any changes made to the parameter in the method will be reflected in that variable when control passes back to the calling method.
4. A subroutine cannot be called from a function.
5. Functions and subroutines can be called recursively.
Options
A. 1, 2, 4
B. 2, 3, 5
C. 3, 5
D. 4, 5
E. None of these

Correct Answer

2, 3, 5

More questions

5. It possible to create a custom attribute that can be applied only to specific programming element(s) like ____ .
Options
A. Classes
B. Methods
C. Classes and Methods
D. Classes, Methods and Member-Variables

7. What does the following C#.NET code snippet will print?

int i = 0, j = 0; 

label:
    i++;
    j+=i;
if (i < 10)
{
    Console.Write(i +" ");
    goto label; 
}

10. Which of the following are the correct ways to declare a delegate for calling the function func() defined in the sample class given below?
```
class Sample
{
    public int func(int i, Single j)
    {
        /* Add code here. */
    }
}
```
Options
A. delegate d(int i, Single j);
B. delegate void d(int, Single);
C. delegate int d(int i, Single j);
D. delegate void (int i, Single j);
E. delegate int sample.func(int i, Single j);

Comments

More in C# Programming: