namespace task_8_string_functions
public static void Main(string[] args)
string str = "sakthivel";
Console.WriteLine("my name is " + str);
Console.WriteLine("length=" + length);
Console.WriteLine("first string"+str1);
string str2 = "is my country";
Console.WriteLine("second string:"+str2);
string totalstring = string.Concat(str1,str2);
Console.WriteLine("totalstring:" + totalstring);
string str3 = "sakthivel";
int replay = str3.IndexOf('s');
Console.WriteLine(replay);
string sak = "sakthivel";
string rep = sak.ToUpper();