public static void callRevStringMethods() { Console.WriteLine("Hello World!"); string revString = RevStrings.RevString("You cannot convert an array of strings to an array of characters by just calling a method like ToCharArray"); Console.WriteLine("reverse string " + revString); string revString2 = RevStrings.RevString2("You cannot convert an array of strings to an array of characters by just calling a method like ToCharArray"); Console.WriteLine("reverse string2 " + revString2); string revString3 = RevStrings.RevString3("You cannot convert an array of strings to an array of characters by just calling a method like ToCharArray"); Console.WriteLine("reverse string3 " + revString3); string revString4 = RevStrings.RevString4("You cannot convert an array of strings to an array of characters by just calling a method like ToCharArray"); Console.WriteLine("reverse string4 " + revString4); }