You may use the Java Library Queue class for Write a program to simulate checkout lines at a grocery store. There will be multiple queues, one for each checkout line. For this exercise, you may assume there are 5 checkout lines. You can use an array of queues to simulate the checkout lines. Use the following logic: 1. Generate 5 customers and enqueue them, one customer in each queue 2. Each new customers ready to check out choose the shortest line Customers enter the checkout queues randomly, and then each time a customer is generated that customer chooses the shortest line. If the lines are equal, then the first available line is chosen. Each transaction takes a random amount of time to complete. Print each action taken with Queue number, to the display. For your output show the queues with customers and activity, showing changes in each queue. You can capture all of the output at the end of the program running. Program should list actions that have been performed and Queue numbers. Be sure to limit your program in order to ensure that it does not run forever.

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
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Wite in java. Dont plagirize. Add comments. Keep code neat. Need this by today.

## Simulating Checkout Lines Using Java Queues

### Task Overview

Create a program to simulate grocery store checkout lines using the Java Library Queue class. For this simulation, there are five checkout lines. An array of queues will be used to implement these lines.

### Implementation Details

**Logic to Follow:**
1. **Initial Setup:**
   - Generate 5 customers and enqueue them, with one customer assigned to each queue.

2. **Customer Processing:**
   - As new customers arrive ready to check out, they select the shortest queue.
   - Customers enter the queues randomly. When a new customer is generated, they choose the shortest available queue.
   - If two queues have the same length, the customer joins the first available queue.
   - Each transaction takes a random time to complete.
   - Print each action along with the queue number on display.

### Output Requirements

- Display queues with customer activities, showing changes in queue states.
- Capture all output at the program's end, listing the actions performed and corresponding queue numbers.

### Program Constraints

- Ensure the program does not run indefinitely; apply necessary limits.

This simulation will help in understanding queue management in a real-world scenario like grocery stores. Adjust your logic as needed to best reflect customer behaviors and checkout processes.
Transcribed Image Text:## Simulating Checkout Lines Using Java Queues ### Task Overview Create a program to simulate grocery store checkout lines using the Java Library Queue class. For this simulation, there are five checkout lines. An array of queues will be used to implement these lines. ### Implementation Details **Logic to Follow:** 1. **Initial Setup:** - Generate 5 customers and enqueue them, with one customer assigned to each queue. 2. **Customer Processing:** - As new customers arrive ready to check out, they select the shortest queue. - Customers enter the queues randomly. When a new customer is generated, they choose the shortest available queue. - If two queues have the same length, the customer joins the first available queue. - Each transaction takes a random time to complete. - Print each action along with the queue number on display. ### Output Requirements - Display queues with customer activities, showing changes in queue states. - Capture all output at the program's end, listing the actions performed and corresponding queue numbers. ### Program Constraints - Ensure the program does not run indefinitely; apply necessary limits. This simulation will help in understanding queue management in a real-world scenario like grocery stores. Adjust your logic as needed to best reflect customer behaviors and checkout processes.
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