using System;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("jamin patel - A");

        Console.WriteLine("53003205029\n");

        string str = " Welcome to Programming";

        int indexOf = str.IndexOf("l");

        int lastIndex = str.LastIndexOf("m");

        bool startsWith = str.StartsWith("S");

        bool endsWith = str.EndsWith("g");

        char[] ch = { 'g' };

        string[] s1 = { "to", "join", "a", "string" };

        string[] words = str.Split(' ');

        Console.WriteLine("Original String={0}", str);

        Console.WriteLine("First Index of l={0}. \nLast Index of m={1}", indexOf, lastIndex);

        Console.WriteLine("Replace String={0}", str.Replace("m", "w"));

        Console.WriteLine("Upper Case={0}. \nLower Case={1}", str.ToUpper(), str.ToLower());

        Console.WriteLine("Length of String={0}", str.Length);

        Console.WriteLine("Removal from string={0}", str.Remove(3));

        Console.WriteLine("Start with 'S' ={0}. \nEnds with g' ={1}", startsWith, endsWith);

        Console.WriteLine("Using Trim={0}. \nUsing Trim End={1}. \nUsing Trim Start={2}", str.Trim(), str.TrimEnd(ch), str.TrimStart(ch));

        Console.WriteLine("Join method={0}", string.Join("-", s1));

        Console.WriteLine("Substring={0}", str.Substring(13));

        Console.WriteLine("PadLeft={0}. \n PadRight={1}", str.PadLeft(35, '*'), str.PadRight(35, '*'));

        Console.WriteLine("Insert method={0}", str.Insert(7, "#"));

        Console.WriteLine("\n---Using Split method---");

        foreach (string word in words)

        {

            Console.WriteLine(word);

        }

    }

}