Código refatorado

src/Doctor.java

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+package src;
+
+public class Doctor {
+    private String name;
+    private String specialization;
+    private String crm;
+
+    public Doctor(String name, String specialization, String crm) {
+        this.name = name;
+        this.specialization = specialization;
+        this.crm = crm;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public String getSpecialization() {
+        return specialization;
+    }
+
+    public String getCrm() {
+        return crm;
+    }
+
+    @Override
+    public String toString() {
+        return "Name: " + name + "\nSpecialization: " + specialization;
+    }
+}

src/HospitalManagement.java

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+package src;
+
+import java.util.HashMap;
+import java.util.Map;
+
+public class HospitalManagement {
+    private Map<String, Patient> patients;
+    private Map<String, Doctor> doctors;
+    private Map<Integer, Pharmacy> pharmacies;
+
+    public HospitalManagement(){
+        this.patients = new HashMap<>();
+        this.doctors = new HashMap<>();
+        this.pharmacies = new HashMap<>();
+    }
+
+    public void addPatient(Patient patient){
+        this.patients.put(patient.getCpf(), patient);
+    }
+
+    public void addDoctor(Doctor doctor){
+        this.doctors.put(doctor.getCrm(), doctor);
+    }
+
+    public void addPharmacy(Pharmacy pharmacy){
+        this.pharmacies.put(pharmacy.getId(), pharmacy);
+    }
+
+    public void removePatient(String cpf){
+        this.patients.remove(cpf);
+    }
+
+    public void removeDoctor(String crm){
+        this.doctors.remove(crm);
+    }
+
+    public void removePharmacy(int id){
+        this.pharmacies.remove(id);
+    }
+
+    public Patient searchPatient(String cpf){
+        return this.patients.get(cpf);
+    }
+
+    public Doctor searchDoctor(String crm){
+        return this.doctors.get(crm);
+    }
+
+    public Pharmacy searchPharmacy(int id){
+        return this.pharmacies.get(id);
+    }
+}

src/Main.java

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+package src;
+
+import java.util.Scanner;
+
+public class Main {
+    public static void main(String[] args) {
+        HospitalManagement hospital = new HospitalManagement();
+
+        try (Scanner scanner = new Scanner(System.in)) {
+            System.out.println("Enter Patient Details");
+            System.out.print("Enter Patient Name     : ");
+            String pname = scanner.nextLine();
+            System.out.print("Enter Age              : ");
+            int age = scanner.nextInt();
+            scanner.nextLine();
+            System.out.print("Enter Disease          : ");
+            String disease = scanner.nextLine();
+            System.out.print("Enter CPF              : ");
+            String cpf = scanner.nextLine();
+
+            Patient pt = new Patient(pname, age, disease, cpf);
+            hospital.addPatient(pt); 
+
+            System.out.println("\nEnter Doctor Details");
+            System.out.print("Enter Doctor Name      : ");
+            String dname = scanner.nextLine();
+            System.out.print("Enter Specialization   : ");
+            String spec = scanner.nextLine();
+            System.out.print("Enter CRM              : ");
+            String crm = scanner.nextLine();
+
+            Doctor dr = new Doctor(dname, spec, crm);
+            hospital.addDoctor(dr); 
+
+            System.out.println("\nEnter Pharmacy Details");
+            System.out.print("Enter Medicine Name    : ");
+            String med = scanner.nextLine();
+            System.out.print("Enter Price            : ");
+            double price = scanner.nextDouble();
+            System.out.print("Enter ID               : ");
+            int id = scanner.nextInt();
+            scanner.nextLine(); 
+
+            Pharmacy ph = new Pharmacy(med, price, id);
+            hospital.addPharmacy(ph); 
+
+            System.out.println("\n----Hospital Details----\n");
+            System.out.println(pt);
+            System.out.println("\n------------------------");
+            System.out.println(dr);
+            System.out.println("\n------------------------");
+            System.out.println(ph);
+        }
+    }
+}

src/Patient.java

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+package src;
+
+public class Patient {
+    private String name;
+    private String cpf;
+    private int age;
+    private String disease;
+
+    public Patient(String name, int age, String disease, String cpf) {
+        this.name = name;
+        this.age = age;
+        this.disease = disease;
+        this.cpf = cpf;
+    }
+
+    public int getAge() {
+        return age;
+    }
+
+    public String getDisease() {
+        return disease;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public String getCpf() {
+        return cpf;
+    }
+
+    @Override
+    public String toString() {
+        return "Name: " + name + "\nAge: " + age + "\nDisease: " + disease;
+    }
+}

src/Pharmacy.java

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+package src;
+
+public class Pharmacy {
+    private int id;
+    private String medicineName;
+    private double price;
+
+    public Pharmacy(String medicineName, double price, int id) {
+        this.medicineName = medicineName;
+        this.price = price;
+        this.id = id;
+    }
+
+    public int getId() {
+        return id;
+    }
+
+    public String getMedicineName() {
+        return medicineName;
+    }
+
+    public double getPrice() {
+        return price;
+    }
+
+    @Override
+    public String toString() {
+        return "ID: " + id + "\nMedicine: " + medicineName + "\nPrice: $" + String.format("%.2f", price);
+    }
+}