Char type in C# declares a Unicode character.
Unicode characters are 16-bit characters that are used to represent most of the known written languages throughout the world.
Example of char:
1.
char[] chs = new char[2];
chs[0] = 'U'; // Character literal
chs[1] = (char)85; // Cast from integral type
foreach (char c in chs)
MessageBox.Show(c.ToString());
2. Null Char