static void Main(string[] args) { MyString s1 = new MyString("abc, defgabc! ijk..."); MyString s2 = new MyString("ab cdefgjhkkf kk"); s1.SetOwner("abc", "Mike", "Example Corp."); s2.SetOwner("dgc", "Bob", "ABC Corp."); s1.SetDate(23, 6, 2001); s2.SetDate(26, 4, 1986); Console.WriteLine(s1 < s2); Console.WriteLine(s1 + 5); Console.WriteLine(--s2); Console.WriteLine(s2 * 'd'); Console.WriteLine(s1[2]); MyString s3 = new MyString("abcd /efgh"); Console.WriteLine($"{s1.ServiceCheck()}\n{s3.ServiceCheck()}"); Console.WriteLine(s1.DeletePunctuation()); }