Create a Java program for managing a grocery store's inventory system. The inventory information is stored in a text file named "grocery_inventory.txt." Each line in the file represents a grocery item with the following format: "ItemID, ItemName, Quantity, PricePerUnit." The program should allow the user to add new items, update the quantity of existing items, and display the total value of the inventory. Ensure that the program checks for the existence of "grocery_inventory.txt" and handles cases where the file is empty. Utilize functions to organize your code effectively, with comments explaining each function's purpose. You can use data structures like HashMap or ArrayList to store and manipulate inventory data. The program should output the updated inventory information to a file named "updated_grocery_inventory.txt." Ex: grocery_inventory.txt: 301, Apples, 50, 1.99 302, Bread, 40, 2.50 303, Milk, 30, 3.99 (updated_grocery_inventory.txt after adding 20 units of Eggs and updating the quantity of Apples to 60) 301, Apples, 60, 1.99 302, Bread, 40, 2.50 303, Milk, 30, 3.99 304, Eggs, 20, 2.25.
Create a Java program for managing a grocery store's inventory system. The inventory information is stored in a text file named "grocery_inventory.txt." Each line in the file represents a grocery item with the following format: "ItemID, ItemName, Quantity, PricePerUnit." The program should allow the user to add new items, update the quantity of existing items, and display the total value of the inventory. Ensure that the program checks for the existence of "grocery_inventory.txt" and handles cases where the file is empty. Utilize functions to organize your code effectively, with comments explaining each function's purpose. You can use data structures like HashMap or ArrayList to store and manipulate inventory data. The program should output the updated inventory information to a file named "updated_grocery_inventory.txt." Ex: grocery_inventory.txt: 301, Apples, 50, 1.99 302, Bread, 40, 2.50 303, Milk, 30, 3.99 (updated_grocery_inventory.txt after adding 20 units of Eggs and updating the quantity of Apples to 60) 301, Apples, 60, 1.99 302, Bread, 40, 2.50 303, Milk, 30, 3.99 304, Eggs, 20, 2.25.
Computer Networking: A Top-Down Approach (7th Edition)
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ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
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Transcribed Image Text:Create a Java program for managing a grocery store's inventory system. The
inventory information is stored in a text file named "grocery_inventory.txt."
Each line in the file represents a grocery item with the following format: "ItemID,
ItemName, Quantity, PricePerUnit."
The program should allow the user to add new items, update the quantity of existing
items, and display the total value of the inventory.
Ensure that the program checks for the existence of "grocery_inventory.txt" and
handles cases where the file is empty.
Utilize functions to organize your code effectively, with comments explaining each
function's purpose.
You can use data structures like HashMap or ArrayList to store and manipulate
inventory data.
The program should output the updated inventory information to a file named
"updated_grocery_inventory.txt."
Ex:
grocery_inventory.txt:
301, Apples, 50, 1.99
302, Bread, 40, 2.50
303, Milk, 30, 3.99
(updated_grocery_inventory.txt after adding 20 units of Eggs and updating the
quantity of Apples to 60)
301, Apples, 60, 1.99
302, Bread, 40, 2.50
303, Milk, 30, 3.99
304, Eggs, 20, 2.25.
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