using System;

​

class Program

{

    static void Main()

    {

        StringManipulation();

    }

​

    static void StringManipulation()

    {

        // DO NOT DELETE ANY LINES OF CODE, ONLY ADD YOUR OWN

        // 1 Substring - Use Substring() to display the surname from this variable

        string fullName = "Luke Skywalker";

        string substring_fullname = fullName.Substring(5);

        Console.WriteLine(substring_fullname);

​

​

​

        // 2 Trim - remove the white space from the the front of this string, display the result

        string planet = "      Death Star      ";

        string trimmed_planet = planet.TrimStart();

        Console.WriteLine(trimmed_planet);

​

​

​

​

        // 3 Trim - remove the white space from the the end of this string, display the result

        string planet2 = "      Death Star      ";

        string trimmed_planet2 = planet2.TrimEnd();

        Console.WriteLine(trimmed_planet2);

​

​

​

​

        // 4 Trim - remove the white space from both ends of this string, display the result

        string planet3 = "      Death Star      ";

        string trimmed_planet3 = planet3.Trim();

        Console.WriteLine(trimmed_planet3);

​

​

​

​

        // 5 - Replace - replace the * charcter with the @ character

        string place = "*** Welcome to Tatooine ***";

        string replace = place.Replace("*","@");

        Console.WriteLine(replace);

​

​

​

​

​

        // 6 - IndexOf - find the index of the space and create substring displaying the first and second name on seperate lines

        string character = "Leia Organa";

        int Index = character.IndexOf(" ");

        string firstname = character.Substring(0,3);

        string secondname = character.Substring(5);

        Console.WriteLine(Index);

        Console.WriteLine(firstname);

        Console.WriteLine(secondname);

​

​

​

​

        // 7 - Replace the astericks with spaces, trim the start and end, change the middle space to a underscore

        // will need mutlple lines of code to do this

        string final = "***   Darth Vader   ***";

        string replace_final = final.Replace("*"," ");

        string trimmed_final = replace.Trim();

        string middle_final =  trimmed_final.Replace(" ","_");

        Console.WriteLine(middle_final);

​

​

    }

}