Edit the C# Code to solve the problem: The program introduces goto and Label concepts. Add your own label B_label, add goto in any place of the program to jump to it (to your label)

using System;

using static System.Console;

using System.IO;

namespace SelectionStatements

{

class Program

{

static void Main(string[] args)

{

if (args.Length == 0)

{

WriteLine("There are no arguments.");

}

else

{

WriteLine("There is at least one argument.");

}

// add and remove the "" to change the behavior

object o = 3;

int j = 4;

if (o is int i)

{

WriteLine($"{i} x {j} = {i * j}");

}

else

{

WriteLine("o is not an int so it cannot multiply!");

}

A_label:

var number = (new Random()).Next(1, 7);

WriteLine($"My random number is {number}");

switch (number)

{

case 1:

WriteLine("One");

break; // jumps to end of switch statement

case 2:

WriteLine("Two");

goto case 1;

case 3:

case 4:

WriteLine("Three or four");

goto case 1;

case 5:

// go to sleep for half a second

System.Threading.Thread.Sleep(500);

goto A_label;

default:

WriteLine("Default");

break;

} // end of switch statement

string path = "/Users/markjprice/Code/Chapter03";

// string path = @"C:\Code\Chapter03";

Write("Press R for readonly or W for write: ");

ConsoleKeyInfo key = ReadKey();

WriteLine();

Stream s = null;

if (key.Key == ConsoleKey.R)

{

s = File.Open(

Path.Combine(path, "file.txt"),

FileMode.OpenOrCreate,

FileAccess.Read);

}

else

{

s = File.Open(

Path.Combine(path, "file.txt"),

FileMode.OpenOrCreate,

FileAccess.Write);

}

string message = string.Empty;

switch (s)

{

case FileStream writeableFile when s.CanWrite:

message = "The stream is a file that I can write to.";

break;

case FileStream readOnlyFile:

message = "The stream is a read-only file.";

break;

case MemoryStream ms:

message = "The stream is a memory address.";

break;

default: // always evaluated last despite its current position

message = "The stream is some other type.";

break;

case null:

message = "The stream is null.";

break;

}

WriteLine(message);

message = s switch

{

FileStream writeableFile when s.CanWrite

=> "The stream is a file that I can write to.",

FileStream readOnlyFile

=> "The stream is a read-only file.",

MemoryStream ms

=> "The stream is a memory address.",

null

=> "The stream is null.",

_

=> "The stream is some other type."

};

WriteLine(message);

}

}

}