static void Main(string[] args) { var x = default (char); Console.WriteLine(string.Equals("ṻ", "ǖ", StringComparison.CurrentCulture)); Console.ReadLine(); string a = "a" + 8; Console.WriteLine(a); TestStringImmutable c = new TestStringImmutable(); c.m1(); TestString T = new TestString(); T.m1(); }