🏥 RH HOSPITAL MANAGEMENT SYSTEM - RHMS

Smart Healthcare Solution Powered by Java

"From Patient Admission to Discharge - Everything Digitized"

---

🎯 📌 Project Vision

RHMS is a next-generation, role-based console application built in pure Java. It automates the entire hospital workflow - from patient registration to final billing - with enterprise-level security and data persistence.

Core Mission: Reduce 80% paperwork, Eliminate human errors, Save time for doctors to focus on patients.

---

🌟 ✨ Key Highlights

Feature	Description
👥 Multi-Role System	7 Dedicated roles with separate dashboards
🔐 Enterprise Security	OTP + 3-Attempt Lock + Real-time Audit Logs
💾 Smart Data Persistence	File-based storage, Auto Save/Load
🏥 End-to-End Workflow	Complete Patient Lifecycle Management
⚡ High Performance	Array-based processing, Zero external dependencies

---

👥 🔐 Role-Based Access Matrix

Role	Login	View Data	Edit Data	Delete Data	Reports
Admin 👨‍💼	✅	✅	✅	✅	✅
Doctor 👨‍⚕️	✅	✅	✅	❌	✅
Nurse 👩‍⚕️	✅	✅	✅	❌	✅
Lab Tech 🧪	✅	✅	✅	❌	✅
Pharmacist 💊	✅	✅	✅	❌	✅
Worker 👷	✅	✅	❌	❌	❌
Patient 🧑‍🦰	✅	✅	❌	❌	✅

Note: ✅ = Allowed | ❌ = Not Allowed

---

🚀 ⚡ Core Features

👥 Role-Based Modules

• 👨‍💼 Admin: Staff management, System audit, Master control
• 👨‍⚕️ Doctor: Diagnosis, Prescription, Appointment management
• 👩‍⚕️ Nurse: Patient care, Ward/Bed allocation, Vitals monitoring
• 🧪 Lab Technician: Test requests, Report upload, Result management
• 💊 Pharmacist: Medicine stock, Billing, Dispensing
• 👷 Worker: Support operations, Inventory
• 🧑‍🦰 Patient: Self-registration, Book appointments, View bills

🔒 Security Arsenal

• ✅ Username + Password Authentication
• 🔢 4-Digit OTP for critical operations
• 🚫 3-Attempt Lockout Anti-brute force protection
• 📝 Real-time Audit Log - Complete activity tracking with timestamp

💾 Smart Data Management

• File-Based Database - No external DB needed
• Auto Save/Load on program start/exit
• Data Validation - Prevent duplicate Patient IDs
• Relationship Mapping - Patient ↔ Doctor ↔ Bill ↔ Appointment

📊 📋 Complete Workflow

 A[📝 Patient Registration] --> B[📅 Book Appointment] --> C[👨‍⚕️ Doctor Consultation] --> D{Need Lab Test?}
    D -->|Yes| --> E[🧪 Lab Test & Report]
    D -->|No| --> F[💊 Pharmacy]
    E --> F --> G[🛏️ Ward/Bed Allocation] --> H[💰 Generate Bill] --> I[✅ Discharge]

---

🛠️ ## ⚙️ Technologies & Concepts Used

• 💻 Language: Java 17 ☕
• 🧠 OOP Concepts: Encapsulation, Inheritance, Polymorphism, Abstraction
• 📦 Data Structures: Arrays, ArrayList, Objects
• 📂 File I/O: FileWriter, BufferedReader, Data Persistence
• ⌨️ Input Handling: java.util.Scanner
• 🛡️ Exception Handling: Custom error management
• 🎨 UI: Color-coded Console Menu System

---

📁 ## 🗂️ Project Architecture

RHMS/
│
├── 📂 src/
│   ├── Main.java                    # 🚀 System Entry Point
│   ├── 📂 models/                   # Data Blueprints
│   │   ├── Patient.java
│   │   ├── Doctor.java
│   │   └── Bill.java
│   ├── 📂 modules/                  # 7 Role Controllers
│   │   ├── AdminModule.java
│   │   ├── DoctorModule.java
│   │   └── ...
│   └── 📂 utils/                    # 🔧 Helpers
│       ├── OTPGenerator.java
│       ├── AuditLogger.java
│       └── FileManager.java
│
├── 📂 data/                         # 💾 Persistent Storage
│   ├── patients.txt
│   ├── doctors.txt
│   ├── appointments.txt
│   ├── bills.txt
│   └── audit_log.txt
│
└── 📄 README.md

---

🏆 ## 📈 Key Achievements

• ✅ 100% Paperless Patient record management
• ✅ 7-in-1 System - All hospital departments covered
• ✅ Zero Data Loss with persistent file storage
• ✅ Enterprise Grade Security in a Console Application

---

🎯 ## 🔮 Future Upgrades

• 🖼️ GUI Version using JavaFX
• 🗄️ MySQL Database Integration
• 🌐 Web Portal for online appointments
• 📄 PDF Bill & Report Generation
• 📊 Admin Analytics Dashboard

---

👨‍💻 ## Assignment

Developed by: MOHANARAJ RISVIKA
🎓 HND in Computer Science Student
🏫 [UPBRIGHT] | Stu ID: [UB004HNDCS]
📧 GitHub: @Rishas2006

Submitted for: UB004CS Assignment 007