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Why not compiling

It is not compiling when data type in foreach is string. It is compiling when data type in foreach is char. Problem is highlighted.

using System;

class Program
{
static void Main(string[] args)
{
string checkStr = "Address";

foreach (string c in checkStr)
Console.Write(c);

Console.ReadKey();
}
}

2 Replies

Know the answer? Post it — somebody with the same question will find it here.

Vulpes13y ago
Accepted answer
A string is essentially an ordered collection of chars or, more formally, the string class implements IEnumerable.

When you iterate through a string using foreach, you therefore iterate through its individual chars. This is why the foreach control variable needs to be a char, not a string.
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13y ago
Thank you for your explanation.
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