public static void Main(string[] arg)
{
var charConteyner = new char[16] {
'Y', 'c', 'h', 'e', 'b', 'n', 'o', 'e', '_', 'z', 'a', 'd', 'a', 'n', 'i', 'e'
};
var ind = charConteyner.CharIndexOf('z');
var result = charConteyner.CharContains('c');
Console.WriteLine(ind);
Console.WriteLine(result);
Console.ReadLine();
}