Instructions
Requirements and Specifications
Source Code
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===================================================");
}
}