What is the output of the program below? Explain your answer.

Post

delegate void writer();

static void Main()
{
List writers = new List();
int i=0;
for(; i < 10; i++)
{
writers.Add(delegate { Console.WriteLine(i); });
}

 foreach (var writer in writer)
 {
        writer();
 }

}

By Brahma Prakash Shukla in C# on Oct 17 2022

Jan, 2023 12
The answer is
10
10
10
10
10
10
10
10
10
10
It will print 10 in 10 times in loop. Beacuse delegate is refrence type.

NOTE : To compile this code we need to do some correction in code as below.
Replace - List writers = new List();
TO
List writers = new List();

and

Replace - foreach (var writer in writer)
TO
foreach (var writer in writers)
- 0
Dec, 2022 13
Exception thrown. The list is “writers”, and in loop it’s “writer”.
- 0

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