Java Program to Create Menu Display Assignment Solution

package crn23004.MOD_03.ClothingDepartmentStore;

import java.util.Random;

import java.util.Scanner;

public class MS_EJP4_Chars_Strings_Loops {

public static void main(String[] args) {

// Initialize all variables needed for the program

Scanner scanner = new Scanner(System.in);

final double TRANSACTION_TAX = 0.0825f;

int menuOption = 0;

long customerID = 0;

short itemID = 0;

byte itemQuantity = 0;

double itemPrice = 0;

double itemTotalLinePrice = 0;

double pricePerTransaction = 0;

// Display the introduction

System.out.println("Welcome to Maria's Clothing Department Store:");

System.out.println("We have various elegant clothes with affordable price.");

System.out.println("Today is the last day of the discount of our new arrival products.");

System.out.println("Our staff is friendly and helpful.");

System.out.println("===================================================");

// Display user option

ystem.out.println("0 - X. Ch_4-7 Main Menu");

System.out.println("1 - A. Main Menu");

System.out.println("2 - B. End Program");

System.out.print("Option: ");

menuOption = Integer.parseInt(scanner.nextLine());

if (menuOption == 0) {

System.out.println("\n===================================================");

System.out.println("Ch_4-7 Main Menu\n");

System.out.println("0 - A. New User Input Values");

System.out.println("1 - B. End Program");

System.out.print("Option: ");

menuOption = Integer.parseInt(scanner.nextLine());

if (menuOption == 0) {

System.out.println("\n===================================================");

System.out.println("New User Input Values\n");

int loopMem = 0;

loopMem = 1;

while (loopMem == 1) {

System.out.println("0 - C. Add Members => X");

System.out.println("1 - D. Add Items => X");

System.out.println("2 - E. End Program");

System.out.print("Option: ");

menuOption = Integer.parseInt(scanner.nextLine());

if (menuOption == 0) {

Random random = new Random();

System.out.println("\n===================================================");

System.out.println("Add Members");

System.out.println("How many user to add to the database: ");

int numberOfMembers = Integer.parseInt(scanner.nextLine());

int memNum;

String database = "";

String personID, firstName, lastName, phone, email, password;

System.out.println("Number of user adding ...." + numberOfMembers);

for (int i = 1; i <= numberOfMembers; i++) {

memNum = i;

database += "memnum = " + memNum;

ersonID = Integer.toString(random.nextInt(5383) + 4599);

database += "_personID = " + personID;

//Person ID

System.out.println("Enter your ID#" + i);

personID = scanner.nextLine();

database += "personID = " + personID;

//First Name

System.out.println("Enter your Firstname#" + i);

firstName = scanner.nextLine();

database += "_firstName = " + firstName;

//Last Name

System.out.println("Enter your Lastname#" + i);

lastName = scanner.nextLine();

database += "lastName = " + lastName;

//Phone Number

System.out.println("Enter your Phone#" + i);

phone = scanner.nextLine();

database += "_phone = " + phone;

//Person Email

System.out.println("Enter your Email#" + i);

email = scanner.nextLine();

database += "_email = " + email;

//Person Password

System.out.println("Enter your Password#" + i);

password = scanner.nextLine();

database += "_password = " + password + System.lineSeparator();

System.out.println("****User Update***");

}

System.out.print(database);

}

else if (menuOption == 1) {

System.out.println("\n===================================================");

System.out.println("Add Items");

boolean outOfStock = false;

boolean addItem = true;

long availableQuantity = 10;

long qtyCase1 = availableQuantity;

long qtyCase2 = availableQuantity;

long qtyCase3 = availableQuantity;

long qtyCase4 = availableQuantity;

long qtyCase5 = availableQuantity;

while (addItem) {

// Create variables of some data type with default value

byte lineItem = 0;

// Zero-out previous variables

customerID = 0;

itemID = 0;

itemQuantity = 0;

itemPrice = 0;

itemTotalLinePrice = 0;

pricePerTransaction = 0;

System.out.println("Shop & Checkout");

// Display more options

System.out.println("Select an item, select line 1 - 5 from the menu below:");

System.out.println("Line Item: " + (++lineItem)

+ ", ID: 100, Name: Shirt, Description: Upper Garment, Available Quantity: " + qtyCase1 + ", Price Per Item: $5.00");

System.out.println("Line Item: " + (++lineItem)

+ ", ID: 200, Name: Pants, Description: Lower Garment, Available Quantity: " + qtyCase2 + ", Price Per Item: $6.00");

System.out.println("Line Item: " + (++lineItem)

+ ", ID: 300, Name: Boxers, Description: Male Underwear, Available Quantity: " + qtyCase3 + ", Price Per Item: $2.50");

System.out.println("Line Item: " + (++lineItem)

+ ", ID: 400, Name: Socks, Description: Foot Garment, Available Quantity: " + qtyCase4 + ", Price Per Item: $1.50");

System.out.println("Line Item: " + (++lineItem)

+ ", ID: 500, Name: Belt, Description: Waist Garment, Available Quantity: " + qtyCase5 + ", Price Per Item: $1.00");

System.out.print("Line Item Option: ");

lineItem = Byte.parseByte(scanner.nextLine());

// Set the quantity and price per item based on selected line item

switch (lineItem) {

case 1:

//item 1

itemID = 100;

availableQuantity = qtyCase1;

itemPrice = 5;

break;

//item 2

case 2:

itemID = 200;

availableQuantity = qtyCase2;

itemPrice = 6;

break;

case 3:

//item 3

itemID = 300;

availableQuantity = qtyCase3;

itemPrice = 2.5f;

break;

case 4:

//item 4

itemID = 400;

availableQuantity = qtyCase4;

itemPrice = 1.5f;

break;

case 5:

//item 5

itemID = 500;

availableQuantity = qtyCase5;

itemPrice = 1;

break;

default:

lineItem = -1;

}

System.out.println();

if (lineItem != -1) {

// Display the selected item

System.out.print(lineItem + " - " + itemID + " - ");

switch (lineItem) {

case 1:

System.out.print("Shirt - Upper Garment");

break;

case 2:

System.out.print("Pants - Lower Garment");

break;

case 3:

System.out.print("Boxers - Male Underwear");

break;

case 4:

System.out.print("Socks - Foot Garment");

break;

case 5:

System.out.print("Belt - Waist Garment");

break;

}

System.out.println(" - " + availableQuantity + " - " + itemPrice);

// Ask for the customer's ID

System.out.print("Enter customer ID: ");

customerID = Long.parseLong(scanner.nextLine());

// Ask for the quantity

System.out.print("Enter quantity to purchase: ");

itemQuantity = Byte.parseByte(scanner.nextLine());

if (itemQuantity > availableQuantity) {

// Check if the available quantity is enough

System.out.println("Out of stock, transaction cannot be processed!");

System.out.println("\n===================================================");

System.out.println("Thank you for purchasing in Maria's Clothing Department Store.");

System.out.println("Have a great day with your new style!");

System.out.println("End of program.");

outOfStock = true;

break;

} else if (itemQuantity > 0 && itemQuantity <= availableQuantity) {

// If there's available quantity then process it

System.out.println("Item is available for purchase!");

availableQuantity -= itemQuantity;

switch (lineItem) {

case 1:

qtyCase1 -= itemQuantity;

break;

case 2:

qtyCase2 -= itemQuantity;

break;

case 3:

qtyCase3 -= itemQuantity;

break;

case 4:

qtyCase4 -= itemQuantity;

break;

case 5:

qtyCase5 -= itemQuantity;

break;

}

// Display the available quantity left after purchase

if (availableQuantity == 0)

System.out.println("NOW - out of stock, current # of items left: " + availableQuantity);

else

System.out.println("Item is available, current # of items left: " + availableQuantity);

// Calculate the total

itemTotalLinePrice = itemPrice * itemQuantity;

System.out.printf("\n%d's transactional balance equals $%.2f.\n", customerID, itemTotalLinePrice);

pricePerTransaction = itemTotalLinePrice + (itemTotalLinePrice * TRANSACTION_TAX);

System.out.printf("\nCustomer Identification Number: %d\n", customerID);

System.out.printf("Transaction payment: $%.2f.\n", pricePerTransaction);

} else {

System.out.println("Invalid quantity.");

}

}

System.out.println("Another item to add to cart? \n1 - Yes or \n2 - No");

int selectAnotherItem = Integer.parseInt(scanner.nextLine());

addItem = selectAnotherItem == 1;

}

if (!outOfStock) {

System.out.printf("Amount Due: $%.2f%n", pricePerTransaction);

}

}

System.out.println("1 - Again\n2 - Exit");

loopMem = Integer.parseInt(scanner.nextLine());

}

}

} else if (menuOption == 1) {

// Show an inner menu

System.out.println("\n===================================================");

System.out.println("1. Print user info");

System.out.println("2. Shop & Checkout");

System.out.println("3. End Program");

System.out.print("Option: ");

menuOption = Integer.parseInt(scanner.nextLine());

if (menuOption == 1) {

// Print all variable's values

System.out.println("customerID = " + customerID);

System.out.println("itemID = " + itemID);

System.out.println("itemQuantity = " + itemQuantity);

System.out.println("itemPrice = " + itemPrice);

System.out.println("itemTotalLinePrice = " + itemTotalLinePrice);

System.out.println("pricePerTransaction = " + pricePerTransaction);

} else if (menuOption == 2) {

// Create variables of some data type with default value

byte lineItem = 0;

long availableQuantity = 10;

// Zero-out previous variables

customerID = 0;

itemID = 0;

itemQuantity = 0;

itemPrice = 0;

itemTotalLinePrice = 0;

pricePerTransaction = 0;

// Display more options

System.out.println("Select an item, select line 1 - 5 from the menu below:");

System.out.println("Line Item: " + (++lineItem)

+ ", ID: 100, Name: Shirt, Description: Upper Garment, Available Quantity: 10, Price Per Item: $5.00");

System.out.println("Line Item: " + (++lineItem)

+ ", ID: 200, Name: Pants, Description: Lower Garment, Available Quantity: 10, Price Per Item: $6.00");

System.out.println("Line Item: " + (++lineItem)

+ ", ID: 300, Name: Boxers, Description: Male Underwear, Available Quantity: 10, Price Per Item: $2.50");

System.out.println("Line Item: " + (++lineItem)

+ ", ID: 400, Name: Socks, Description: Foot Garment, Available Quantity: 10, Price Per Item: $1.50");

System.out.println("Line Item: " + (++lineItem)

+ ", ID: 500, Name: Belt, Description: Waist Garment, Available Quantity: 10, Price Per Item: $1.00");

System.out.print("Line Item Option: ");

lineItem = Byte.parseByte(scanner.nextLine());

// Set the quantity and price per item based on selected line item

switch (lineItem) {

case 1:

itemID = 100;

availableQuantity = 10;

itemPrice = 5;

break;

case 2:

itemID = 200;

availableQuantity = 10;

itemPrice = 6;

break;

case 3:

itemID = 300;

availableQuantity = 10;

itemPrice = 2.5f;

break;

case 4:

itemID = 400;

availableQuantity = 10;

itemPrice = 1.5f;

break;

case 5:

itemID = 500;

availableQuantity = 10;

itemPrice = 1;

break;

default:

lineItem = -1;

}

System.out.println();

if (lineItem != -1) {

// Display the selected item

System.out.print(lineItem + " - " + itemID + " - ");

switch (lineItem) {

case 1:

System.out.print("Shirt - Upper Garment");

break;

case 2:

System.out.print("Pants - Lower Garment");

break;

case 3:

System.out.print("Boxers - Male Underwear");

break;

case 4:

System.out.print("Socks - Foot Garment");

break;

case 5:

System.out.print("Belt - Waist Garment");

break;

}

System.out.println(" - " + availableQuantity + " - " + itemPrice);

// Ask for the customer's ID

System.out.print("Enter customer ID: ");

customerID = Long.parseLong(scanner.nextLine());

// Ask for the quantity

System.out.print("Enter quantity to purchase: ");

itemQuantity = Byte.parseByte(scanner.nextLine());

if (itemQuantity > availableQuantity) {

// Check if the available quantity is enough

System.out.println("Out of stock, transactoin cannot be processed!");

System.out.println("\n===================================================");

System.out.println("Thank you for purchasing in Maria's Clothing Department Store.");

System.out.println("Have a great day with your new style!");

System.out.println("End of program.");

} else if (itemQuantity > 0 && itemQuantity <= availableQuantity) {

// If there's available quantity then process it

System.out.println("Item is available for purchase!");

availableQuantity -= itemQuantity;

// Display the available quantity left after purchase

if (availableQuantity == 0)

System.out.println("NOW - out of stock, current # of items left: " + availableQuantity);

else

System.out.println("Item is available, current # of items left: " + availableQuantity);

// Calculate the total

itemTotalLinePrice = itemPrice * itemQuantity;

System.out.printf("\n%d's transactional balance equals $%.2f.\n", customerID, itemTotalLinePrice);

pricePerTransaction = itemTotalLinePrice + (itemTotalLinePrice * TRANSACTION_TAX);

System.out.printf("\nCustomer Identification Number: %d\n", customerID);

System.out.printf("Transaction payment: $%.2f.\n", pricePerTransaction);

} else {

System.out.println("Invalid quantity.");

}

}

} else if (menuOption != 3) {

System.out.println("Invalid option.");

}

} else if (menuOption != 2) {

System.out.println("Invalid option.");

}

// Exit with a message

System.out.println("\n===================================================");

System.out.println("Thank you for purchasing in Maria's Clothing Department Store.");

System.out.println("Have a great day with your new style!");

System.out.println("Program Shutdown.");

System.out.println("\n===================================================");

}

}