És miért?
[source:C#]
Stopwatch st = Stopwatch.StartNew();
char a = ‘1’;
char b = ‘a’;
for (int i = 0; i < 1000 * 1000 * 10; i++)
{
//string s1 = new string(new char[] { a, b });
//string s2 = a.ToString() + b.ToString();
}
st.Stop();
Console.WriteLine(st.Elapsed);
[/source]