complete in java Use an IDE for this assignment and create a package called ER – put the three files in the package. In thisassignment, you will create an application that will simulate the patients in an emergency room and howlong they wait before they are seen. Every patient is assigned a priority from 1 to 10 (1 is the mostimportant and 10 is the least important). The patients will be read in from the file PatientData.txt whichhas each record (line) asicetlame, lastNamE, patientlR, year, month, day, priorityCreate classes as followsPatient with 4 attributes - firstName, lastName, patientID (7 digits, cannot begin with 0), DOB.Add constructors and other methods.ERCase with 3 attributes – Patient, priority, timeWaitiog, Add constructors and other methods.This class must implement the interface Comparable and implement the methodpublic int compareTe(ERCase c)EmergencyRoom- uses a Priority Queue to manage the patients in the ER waiting room. Add 5cases to the Priority Queue at the start of the simulation. Then in each time cycle possibly addcases and possibly remove cases. For each time cycle the probability that 0, 1, 2 or 3 patientsarrive at the ER are 20%, 30%, 30% and 20% respectively. For each time cycle, the probabilitiesthat 0, 1 or 2 patients are seen (leave the Priority Queue) are 25%, 50% and 25% respectively.In EmergencyRoom there are two parts to the simulationIn the first part, the program runs through 10 cycles printing information on patients who arriveand patients who leave during each cycle. Error information should also be printed if there isincorrect data in the text file. Pause the output after each cycle so that we can clearly see whatis happening.In the second part, the program will reset everything from part 1, add 5 cases and then runthrough 75 cycles without printing anything. After running it will print summary data: how manypatients arrived at the ER, how many have been seen and what was the average wait time forthose who have been seen.Other Information• You must include clear comments in your code so that I can follow what you did whengrading. You should also methods (functions) in EpergencyBoom to simplify the code.• Store DOB as an object - one possibility is LocalDate• Java has a PrioritvQueue.class so use it to create a PrioritvQueue to managethe cases in the EmergenCvRoon.Use exception-handling when reading from the text file data. You can ignore any record that haserrors - your program will just read the next line.Concentrate on making output readable and understandable.

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Use an IDE for this assignment and create a package called ER - put the three files in the package. In this assignment, you will create an application that will simulate the patients in an emergency room and how long they wait before they are seen. Every patient is assigned a priority from 1 to 10 (1 is the most important and 10 is the least important). The patients will be read in from the file PatientData.txt which has each record (line) as

Use an IDE for this assignment and create a package called ER - put the three files in the package. In this assignment, you will create an application that will simulate the patients in an emergency room and how long they wait before they are seen. Every patient is assigned a priority from 1 to 10 (1 is the most important and 10 is the least important). The patients will be read in from the file PatientData.txt which has each record (line) as

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

Section: Chapter Questions

Problem 1PE

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