Untitled

import java.util.Date;

class Inpatient {
    private static int hospitalNumberCounter = 1000;

    private String name;
    private int age;
    private int hospitalNumber;
    private Date dateOfAdmission;
    private double roomRent;

    // Default constructor
    public Inpatient() {
        this.hospitalNumber = generateHospitalNumber();
    }

    // Copy constructor
    public Inpatient(Inpatient other) {
        this.name = other.name;
        this.age = other.age;
        this.hospitalNumber = generateHospitalNumber();
        this.dateOfAdmission = other.dateOfAdmission;
        this.roomRent = other.roomRent;
    }

    // Parameterized constructor
    public Inpatient(String name, int age, Date dateOfAdmission, double roomRent) {
        this.name = name;
        this.age = age;
        this.hospitalNumber = generateHospitalNumber();
        this.dateOfAdmission = dateOfAdmission;
        this.roomRent = roomRent;
    }

    private static int generateHospitalNumber() {
        return hospitalNumberCounter++;
    }

    // Methods for input, display, and checking admission date
    public void inputRecord(String name, int age, Date dateOfAdmission, double roomRent) {
        this.name = name;
        this.age = age;
        this.dateOfAdmission = dateOfAdmission;
        this.roomRent = roomRent;
    }

    public void displayRecord() {
        System.out.println("Name: " + name);
        System.out.println("Age: " + age);
        System.out.println("Hospital Number: " + hospitalNumber);
        System.out.println("Date of Admission: " + dateOfAdmission);
        System.out.println("Room Rent: " + roomRent);
        System.out.println();
    }

    public boolean isAdmittedToday() {
        // Implementation to check if the date of admission is today's date
        // (You may need to compare with the current date)
        return false; // Placeholder, actual implementation needed
    }
}

public class Main {
    public static void main(String[] args) {
        // Part a) Testing constructors
        Inpatient patient1 = new Inpatient();
        Inpatient patient2 = new Inpatient(patient1);
        Inpatient patient3 = new Inpatient("John Doe", 25, new Date(), 150.0);

        // Part d) Testing methods
        patient1.displayRecord();
        patient3.inputRecord("Jane Smith", 30, new Date(), 200.0);
        patient3.displayRecord();

        // Part e) Creating an array of inpatient records
        Inpatient[] inpatientRecords = new Inpatient[3];
        inpatientRecords[0] = new Inpatient("Alice Johnson", 40, new Date(), 180.0);
        inpatientRecords[1] = new Inpatient("Bob Miller", 55, new Date(), 220.0);
        inpatientRecords[2] = new Inpatient("Eva Brown", 28, new Date(), 170.0);

        for (Inpatient record : inpatientRecords) {
            record.displayRecord();
        }

        // Part f) Checking for duplicate records and patients admitted today
        // Implementation needed
    }
}