Why is new String(“Hello”) invalid in C#?

Question

What is the logic/reason behind making

String s= new String(\"Hello World\");

Illegal in C#? The error is

The best over

Answer 1

The constructor you are trying to use takes in...

A pointer to a null terminated array of Unicode characters

...rather than a String.

(See http://msdn.microsoft.com/en-us/library/aa331864(v=VS.71).aspx)