get last character in a string

I'm not sure about which language are you using, but in C# it is done like

string s = "clyde";
char e = s[s.Length-1];

and it is very similar in every language.

C#:

string clyde = "clyde"; 
char last = clyde[clyde.Length - 1];

VB.NET

string clyde = "clyde"; 
char last = clyde(clyde.Length - 1);

I would do this with linq :-

   string clyde = "Clyde";
   char lastChar = clyde.Last();

Just my preference.