C# Online Compiler | .NET Fiddle

<no name> by Anonymous

using System;
					
public class Program
{
		static string [] foodID = { "CF001", "CF002" , "CF003" , "CF004" , "DE001" , "DE002","DE003", "BE001",  "BE002", "BE003" };
		static string [] name = { "Espresso" , "Cappuccino" , "Americano" , "Lattee" , "Nutella jar" , "Cheesecake" , "Molten cake" , "Red mojito" , "Mango milkhake" , "Ice tea" }; 
		static double [] price = { 2.200 , 2.800 , 2.000 , 2.900 , 3.200 , 4.000 , 3.700 , 2.100 , 2.300 , 1.900 }; 
		static int [] quantity = { 50 , 50 , 50 , 50 , 50 , 50 , 50, 50 , 50 , 50 };
		static int [] curOrderQty = new int [foodID.Length];
		static string [] category = { "Coffee", "Coffee" , "Coffee" , "Coffee" , "Dessert" , "Dessert" , "Dessert" , "Drink" , "Drink" , "Drink" }; 
		
		static int nextOrderInt = 10000;

private static void CheckOut()
{
		for (int i = 0; i > curOrderQty.Length; i++)
		{
		quantity[i] =- curOrderQty[i];
		}
		PrintRecepit();
}
private static int PromptForQty()	
{
	Console.WriteLine("How many would you like?");
	int reqItemQty = Convert.ToInt32(Console.ReadLine());
	return reqItemQty;
}
private static bool IsReqQtyInStock(int itemIndex, int reqItemQty)
{
	if(quantity[itemIndex] >= curOrderQty[itemIndex] + reqItemQty)
	{
		return true;
	}
	else 
	{
		return false;
	}
}	
private static void addItemToOrder(int itemIndex, int reqItemQty)
{
	curOrderQty[itemIndex] += reqItemQty;
}
private static void PrintRecepit()
{
	string orderID = "OR" + nextOrderInt;
	nextOrderInt++;  
	int now = DateTime.Now.AddHours(3).Hour;
	
	Console.WriteLine("Order Time: " + now);	
	Console.WriteLine("Order ID: " + orderID);
	Console.WriteLine("{0, -4} {1, -7} {2, -5} {3, -8}" , "Name" , "Qty" , "Price" , "Total");
	double total = 0 , tax = 0 , orderWithTax = 0;	
	int itemNum = 1;
	for (int i = 0; i < curOrderQty.Length; i++)
	{
		if (curOrderQty[i] > 0)
		{
			double itemTotalPrice = curOrderQty[i] * price[i];
			Console.WriteLine(itemNum + " →  " + "{0, 5} {1, 7:0.000}", name[i] , curOrderQty[i] , price[i] , itemTotalPrice);	
			total += itemTotalPrice;
			itemNum++;
		}				
	}
	tax = total * 0.1;
	orderWithTax = total + tax;
	Console.WriteLine("Total before tax: " + total + " BD" + "\nTax to be collected: " + "\nTotal with tax: " + orderWithTax + " BD");
}
private static void PlaceOrder() 
{
	int reqItemQty;
	for (int i = 0; i<curOrderQty.Length; i++)
		{
			curOrderQty[i] = 0;	
	    }
 	bool stillBuying = true;
	while(stillBuying)
	{
		Console.WriteLine("\nPlease select one of the following options then press enter:");
		Console.WriteLine("{0, -4} {1, -7} {2, -11} {3, -10}", "  " , "ID" , "Price" , "Quantity");		
		for (int i = 0; i<foodID.Length; i++)
		{
			Console.WriteLine(i+1 + " →  " + "{0, 5} {1, 7:0.000} {2, -5} {3, -10}", foodID[i], price[i] , "BD" , quantity[i]);	
		}
		Console.WriteLine(" \n0 to checkout");
		Console.WriteLine("00 to cancel / go back to main menu");
		
		int userChoice = Convert.ToInt32(Console.ReadLine());
		if (userChoice == 00)
		{
			stillBuying = false;
		} 
		else if (userChoice == 0) 
		{
			stillBuying = false;
			CheckOut();
		}
		else if (userChoice >= 1 && userChoice <= foodID.Length)
		{
			int itemIndex = userChoice - 1;
			reqItemQty = PromptForQty();
			if(reqItemQty > 0)
			{
				bool inStock = IsReqQtyInStock(itemIndex, reqItemQty);
				if (inStock)
				{
					addItemToOrder(itemIndex, reqItemQty);
					Console.WriteLine("Items added succeccfuly to the cart.");

				}
				else
				{
				Console.WriteLine("Sorry, you are requesting more than we have in stock.");
					
				}
			}
			else 
			{
				Console.WriteLine("Sorry, the requested quntity must be more than 0.");
			}
		}
		else
		{
			Console.WriteLine("Sorry, Invalid menu choice.");
		}
	}
}

	public static void Main()
	{
		Console.WriteLine("Welcome to Coffee Club");
		Console.WriteLine('\n');
		string [] foodID = { "CF001", "CF002" , "CF003" , "CF004" , "DE001" , "DE002","DE003", "BE001",  "BE002", "BE003" };
		string [] name = { "Espresso" , "Cappuccino" , "Americano" , "Lattee" , "Nutella jar" , "Cheesecake" , "Molten cake" , "Red mojito" , "Mango milkhake" , "Ice tea" }; 
		double [] price = { 2.200 , 2.800 , 2.000 , 2.900 , 3.200 , 4.000 , 3.700 , 2.100 , 2.300 , 1.900 }; 
		int [] quantity = { 20 , 16 , 10 , 25 , 15 , 21 , 23, 9 , 13 , 7 };
		string [] category = { "Coffee", "Coffee" , "Coffee" , "Coffee" , "Dessert" , "Dessert" , "Dessert" , "Drink" , "Drink" , "Drink" }; 
		bool stillRunning = true;
		while (stillRunning)
	{
		Console.WriteLine('\n');
    	Console.WriteLine("Please select one of the following options then press enter:");
		Console.WriteLine("Press 1 to get more knowledge about us");
		Console.WriteLine("Press 2 for Displaying Inventory");
		Console.WriteLine("Press 3 for placing an order");
		Console.WriteLine("Press 4 for Item inquiry");
		Console.WriteLine("Press 5 for updating inventory");
		Console.WriteLine("Press 6 for Suggestions");
		Console.WriteLine("Press 7 for Assessing");
		Console.WriteLine("Press 8 for Exit");
		
		int userChoice = Convert.ToInt32(Console.ReadLine());
		switch(userChoice)
{
    case 1:
		Console.WriteLine("Coffee Club is a coffee shop which is located in seef area as it's a vital site were people enjoy there weekend in.\nWe offer variety types of coffee, desserts and other beverage. A special enviroment and unique experience are offered\nto our customers such as free books and magazines, and also free wi-fi is available too!\nOur mission is to provide the highest quality desserts and beverages at a reasonable prices."); 
		break;
	case 2:
		Console.WriteLine("{0, -8} {1, -17} {2, -11} {3, -10} {4, -10}", "ID" , "Name" , "Price" , "Quantity" ,  "Category");
		for (int i = 0; i<foodID.Length; i++)
		{
		Console.WriteLine("{0, -8} {1, -15} {2, 7:0.000} {3, -5} {4, -10} {5, -10}", foodID[i], name[i], price[i] , "BD" , quantity[i], category[i]);
		}		
    	break;
	case 3:
		PlaceOrder();
	break;
	case 4:
		Console.WriteLine("Please enter the ID of the required product ");
		string reqID = Console.ReadLine();
		int reqIndex = -1;
		for (int i = 0; i<foodID.Length; i++)
		{
			
			if (reqID == foodID[i])
			{
				reqIndex = i;
				Console.WriteLine('\n');
				Console.WriteLine("{0, -8} {1, -17} {2, -11} {3, -10} {4, -10}", "ID" , "Name" , "Price" , "Quantity" ,  "Category");
				Console.WriteLine("{0, -8} {1, -15} {2, 7:0.000} {3, -5} {4, -10} {5, -10}", foodID[i], name[i], price[i] , "BD" , quantity[i], category[i]);	
			}
		}	
	break;	
	case 5:
		Console.WriteLine(" - ");
		break;	
	case 6:
		Console.WriteLine("What is your suggestion?");
		string suggestions = (Console.ReadLine());
		Console.WriteLine("\nTHANK YOU for the suggestion, we'll take it into consideration.");		
		break;
	case 7:
		Console.WriteLine(" How do you rate our dealing with the customer out of ten? ");
		double dealing = Convert.ToDouble(Console.ReadLine());

		Console.WriteLine(" How do you rate our food in terms of taste out of ten? ");
		double FTaste = Convert.ToDouble(Console.ReadLine());
		Console.WriteLine(" How do you rate our food in terms of quality out of ten? ");
		double FQuality = Convert.ToDouble(Console.ReadLine());
		Console.WriteLine(" How do you rate our speed in preparing your order out of ten? ");
		double speed = Convert.ToDouble(Console.ReadLine());
		Console.WriteLine(" How do you rate cafe in general out of ten? ");
		double inGeneral = Convert.ToDouble(Console.ReadLine());
		Console.WriteLine('\n');
		Console.WriteLine("Rates out of ten: ");
		Console.WriteLine('\n');
				
		Console.WriteLine("Dealing with customer: " + dealing);
		Console.WriteLine("Food taste: " + FTaste);	
		Console.WriteLine("Food quality: " + FQuality);		
		Console.WriteLine("Speed in preparing orders: " + speed);		
		Console.WriteLine("Cafe in general in: " + inGeneral);
		Console.WriteLine('\n');		
		Console.WriteLine(" THANK YOU for rating ");
		break;
	case 8:
		stillRunning = false;
		break;	
	default: 
        Console.WriteLine(" Sorry, Invalid option");
        break;
       
}
			
	}
   }
}

​x
 
using System;
                    
public class Program
{
        static string [] foodID = { "CF001", "CF002" , "CF003" , "CF004" , "DE001" , "DE002","DE003", "BE001",  "BE002", "BE003" };
        static string [] name = { "Espresso" , "Cappuccino" , "Americano" , "Lattee" , "Nutella jar" , "Cheesecake" , "Molten cake" , "Red mojito" , "Mango milkhake" , "Ice tea" }; 
        static double [] price = { 2.200 , 2.800 , 2.000 , 2.900 , 3.200 , 4.000 , 3.700 , 2.100 , 2.300 , 1.900 }; 
        static int [] quantity = { 50 , 50 , 50 , 50 , 50 , 50 , 50, 50 , 50 , 50 };
        static int [] curOrderQty = new int [foodID.Length];
        static string [] category = { "Coffee", "Coffee" , "Coffee" , "Coffee" , "Dessert" , "Dessert" , "Dessert" , "Drink" , "Drink" , "Drink" }; 
        
        static int nextOrderInt = 10000;
​
private static void CheckOut()
{
        for (int i = 0; i > curOrderQty.Length; i++)
        {
        quantity[i] =- curOrderQty[i];
        }
        PrintRecepit();
}
private static int PromptForQty()   
{
    Console.WriteLine("How many would you like?");
    int reqItemQty = Convert.ToInt32(Console.ReadLine());
    return reqItemQty;
}
private static bool IsReqQtyInStock(int itemIndex, int reqItemQty)
{
    if(quantity[itemIndex] >= curOrderQty[itemIndex] + reqItemQty)
    {
        return true;
    }
    else 
    {
        return false;
    }
}   
private static void addItemToOrder(int itemIndex, int reqItemQty)
{
    curOrderQty[itemIndex] += reqItemQty;
}
private static void PrintRecepit()
{
    string orderID = "OR" + nextOrderInt;
    nextOrderInt++;  
    int now = DateTime.Now.AddHours(3).Hour;
    
    Console.WriteLine("Order Time: " + now);    
    Console.WriteLine("Order ID: " + orderID);
    Console.WriteLine("{0, -4} {1, -7} {2, -5} {3, -8}" , "Name" , "Qty" , "Price" , "Total");
    double total = 0 , tax = 0 , orderWithTax = 0;  
    int itemNum = 1;
    for (int i = 0; i < curOrderQty.Length; i++)
    {
        if (curOrderQty[i] > 0)
        {
            double itemTotalPrice = curOrderQty[i] * price[i];
            Console.WriteLine(itemNum + " →  " + "{0, 5} {1, 7:0.000}", name[i] , curOrderQty[i] , price[i] , itemTotalPrice);  
            total += itemTotalPrice;
            itemNum++;
        }               
    }
    tax = total * 0.1;
    orderWithTax = total + tax;
    Console.WriteLine("Total before tax: " + total + " BD" + "\nTax to be collected: " + "\nTotal with tax: " + orderWithTax + " BD");
}
private static void PlaceOrder() 
{
    int reqItemQty;
    for (int i = 0; i<curOrderQty.Length; i++)
        {
            curOrderQty[i] = 0; 
        }
    bool stillBuying = true;
    while(stillBuying)
    {
        Console.WriteLine("\nPlease select one of the following options then press enter:");
        Console.WriteLine("{0, -4} {1, -7} {2, -11} {3, -10}", "  " , "ID" , "Price" , "Quantity");     
        for (int i = 0; i<foodID.Length; i++)
        {
            Console.WriteLine(i+1 + " →  " + "{0, 5} {1, 7:0.000} {2, -5} {3, -10}", foodID[i], price[i] , "BD" , quantity[i]); 
        }
        Console.WriteLine(" \n0 to checkout");
        Console.WriteLine("00 to cancel / go back to main menu");
        
        int userChoice = Convert.ToInt32(Console.ReadLine());
        if (userChoice == 00)
        {
            stillBuying = false;
        } 
        else if (userChoice == 0) 
        {
            stillBuying = false;
            CheckOut();
        }
        else if (userChoice >= 1 && userChoice <= foodID.Length)
        {
            int itemIndex = userChoice - 1;
            reqItemQty = PromptForQty();
            if(reqItemQty > 0)
            {
                bool inStock = IsReqQtyInStock(itemIndex, reqItemQty);
                if (inStock)
                {
                    addItemToOrder(itemIndex, reqItemQty);
                    Console.WriteLine("Items added succeccfuly to the cart.");
​
                }
                else
                {
                Console.WriteLine("Sorry, you are requesting more than we have in stock.");
                    
                }
            }
            else 
            {
                Console.WriteLine("Sorry, the requested quntity must be more than 0.");
            }
        }
        else
        {
            Console.WriteLine("Sorry, Invalid menu choice.");
        }
    }
}
​
    public static void Main()
    {
        Console.WriteLine("Welcome to Coffee Club");
        Console.WriteLine('\n');
        string [] foodID = { "CF001", "CF002" , "CF003" , "CF004" , "DE001" , "DE002","DE003", "BE001",  "BE002", "BE003" };
        string [] name = { "Espresso" , "Cappuccino" , "Americano" , "Lattee" , "Nutella jar" , "Cheesecake" , "Molten cake" , "Red mojito" , "Mango milkhake" , "Ice tea" }; 
        double [] price = { 2.200 , 2.800 , 2.000 , 2.900 , 3.200 , 4.000 , 3.700 , 2.100 , 2.300 , 1.900 }; 
        int [] quantity = { 20 , 16 , 10 , 25 , 15 , 21 , 23, 9 , 13 , 7 };
        string [] category = { "Coffee", "Coffee" , "Coffee" , "Coffee" , "Dessert" , "Dessert" , "Dessert" , "Drink" , "Drink" , "Drink" }; 
        bool stillRunning = true;
        while (stillRunning)
    {
        Console.WriteLine('\n');
        Console.WriteLine("Please select one of the following options then press enter:");
        Console.WriteLine("Press 1 to get more knowledge about us");
        Console.WriteLine("Press 2 for Displaying Inventory");
        Console.WriteLine("Press 3 for placing an order");
        Console.WriteLine("Press 4 for Item inquiry");
        Console.WriteLine("Press 5 for updating inventory");
        Console.WriteLine("Press 6 for Suggestions");
        Console.WriteLine("Press 7 for Assessing");
        Console.WriteLine("Press 8 for Exit");
        
        int userChoice = Convert.ToInt32(Console.ReadLine());
        switch(userChoice)
{
    case 1:
        Console.WriteLine("Coffee Club is a coffee shop which is located in seef area as it's a vital site were people enjoy there weekend in.\nWe offer variety types of coffee, desserts and other beverage. A special enviroment and unique experience are offered\nto our customers such as free books and magazines, and also free wi-fi is available too!\nOur mission is to provide the highest quality desserts and beverages at a reasonable prices."); 
        break;
    case 2:
        Console.WriteLine("{0, -8} {1, -17} {2, -11} {3, -10} {4, -10}", "ID" , "Name" , "Price" , "Quantity" ,  "Category");
        for (int i = 0; i<foodID.Length; i++)
        {
        Console.WriteLine("{0, -8} {1, -15} {2, 7:0.000} {3, -5} {4, -10} {5, -10}", foodID[i], name[i], price[i] , "BD" , quantity[i], category[i]);
        }       
        break;
    case 3:
        PlaceOrder();
    break;
    case 4:
        Console.WriteLine("Please enter the ID of the required product ");
        string reqID = Console.ReadLine();
        int reqIndex = -1;
        for (int i = 0; i<foodID.Length; i++)
        {
            
            if (reqID == foodID[i])
            {
                reqIndex = i;
                Console.WriteLine('\n');
                Console.WriteLine("{0, -8} {1, -17} {2, -11} {3, -10} {4, -10}", "ID" , "Name" , "Price" , "Quantity" ,  "Category");
                Console.WriteLine("{0, -8} {1, -15} {2, 7:0.000} {3, -5} {4, -10} {5, -10}", foodID[i], name[i], price[i] , "BD" , quantity[i], category[i]);   
            }
        }   
    break;  
    case 5:
        Console.WriteLine(" - ");
        break;  
    case 6:
        Console.WriteLine("What is your suggestion?");
        string suggestions = (Console.ReadLine());
        Console.WriteLine("\nTHANK YOU for the suggestion, we'll take it into consideration.");     
        break;
    case 7:
        Console.WriteLine(" How do you rate our dealing with the customer out of ten? ");
        double dealing = Convert.ToDouble(Console.ReadLine());
​
        Console.WriteLine(" How do you rate our food in terms of taste out of ten? ");
        double FTaste = Convert.ToDouble(Console.ReadLine());
        Console.WriteLine(" How do you rate our food in terms of quality out of ten? ");
        double FQuality = Convert.ToDouble(Console.ReadLine());
        Console.WriteLine(" How do you rate our speed in preparing your order out of ten? ");
        double speed = Convert.ToDouble(Console.ReadLine());
        Console.WriteLine(" How do you rate cafe in general out of ten? ");
        double inGeneral = Convert.ToDouble(Console.ReadLine());
        Console.WriteLine('\n');
        Console.WriteLine("Rates out of ten: ");
        Console.WriteLine('\n');
                
        Console.WriteLine("Dealing with customer: " + dealing);
        Console.WriteLine("Food taste: " + FTaste); 
        Console.WriteLine("Food quality: " + FQuality);     
        Console.WriteLine("Speed in preparing orders: " + speed);       
        Console.WriteLine("Cafe in general in: " + inGeneral);
        Console.WriteLine('\n');        
        Console.WriteLine(" THANK YOU for rating ");
        break;
    case 8:
        stillRunning = false;
        break;  
    default: 
        Console.WriteLine(" Sorry, Invalid option");
        break;
       
}
            
    }
   }
}

LINQ: Y3w, Non-LINQ: Y3w
LINQ: M3y, Non-LINQ: M3y
LINQ: P4e, Non-LINQ: P4e
LINQ: Me, Non-LINQ: Me
LINQ: Y1u, Non-LINQ: Y1u
LINQ: H1i, Non-LINQ: H1i

Cached Result
Last Run:	10:01:49 pm
Compile:	0.125s
Execute:	0s
Memory:	8kb
CPU:	0s

View IL Code