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Core Java Projects

SecureBank

Overview

SecureBank is a Core Java-based banking system designed to manage user accounts and handle various banking operations securely and efficiently. The project offers a user-friendly interface for essential banking functions such as account creation, money transactions, and balance inquiries.

Features

  • User Registration and Login: Secure user registration and login functionality.
  • Account Management: Create and manage bank accounts with unique identifiers.
  • Money Transactions:
    • Debit: Withdraw money securely from accounts.
    • Credit: Deposit money into accounts.
    • Transfer: Transfer funds between accounts securely.
  • Balance Inquiry: Check the current balance of the user's account.
  • Data Persistence: Utilizes MySQL to securely store user and account data.
  • Error Handling and Transaction Management: Ensures smooth operation with transaction rollbacks on failure to maintain data integrity.

Technologies Used

  • Java: Core language for implementing the banking system.
  • MySQL: Database management for storing user and account data.
  • JDBC: Java Database Connectivity for MySQL interactions.
  • Maven: Project management and build tool.

Getting Started

Prerequisites

  • Java JDK (version 8 or higher)
  • MySQL (version 5.7 or higher)
  • Maven (version 3.6 or higher)

Installation

  1. Clone the repository: 
    git clone https://github.com/mokal2002/SecureBank.git
cd SecureBank

Hospital Management System

A simple console-based Hospital Management System developed in Core Java using MySQL and JDBC. This system manages patients, doctors, and appointments, providing basic CRUD functionalities.

Features

  • Add Patient: Register a new patient by entering their name, age, and gender.
  • View Patients: Display a list of all patients with their details.
  • View Doctors: Display a list of all doctors along with their specializations.
  • Book Appointment: Schedule an appointment between a patient and a doctor for a specified date.

Technologies Used

  • Java: Core Java for application logic.
  • JDBC: For connecting and interacting with the MySQL database.
  • MySQL: Database to store patient, doctor, and appointment data.

Project Structure

  • config: Contains the AppConstants class for database configuration.
  • service: Contains service classes (DoctorService and PatientService) that handle business logic.
  • validation: Includes the valid class for input validation.
  • HospitalManagementSystem.java: The main class that drives the application.

Database Schema

  • Doctor Table:

    • id: INT, Primary Key
    • name: VARCHAR(255)
    • specialization: VARCHAR(255)

  • Patient Table:

    • id: INT, Primary Key
    • name: VARCHAR(255)
    • age: INT
    • gender: VARCHAR(50)

  • Appointments Table:

    • id: INT, Primary Key
    • patient_id: INT, Foreign Key references Patient(id)
    • doctor_id: INT, Foreign Key references Doctor(id)
    • appointment_date: DATE

Setup and Usage

  1. Clone the repository: 
    git clone https://github.com/yourusername/HospitalManagementSystem.git
cd HospitalManagementSystem

Car Rental System

The Car Rental System is a simple command-line application that allows users to rent and return cars. It manages car inventory, customer information, and rental transactions. This project demonstrates the use of object-oriented programming concepts such as classes, methods, and encapsulation.

Features

  • Car Inventory Management: Maintain a list of cars with attributes like brand, model, and rental price.
  • Customer Management: Keep track of customers renting cars, including their personal details.
  • Rent a Car: Allows customers to rent a car from the available inventory, with rental costs calculated based on the number of days.
  • Return a Car: Allows customers to return a rented car, updating the car’s availability status.
  • Dynamic Pricing: Calculates the total rental price based on the car's base price and the duration of the rental period.

Technologies Used

  • Java: The primary programming language used for developing the application.
  • Object-Oriented Programming: Used to structure the code with classes and objects.
  • Collections Framework: Utilized for managing lists of cars, customers, and rentals.
  • Command-Line Interface: The application runs in a command-line environment, allowing users to interact with the system through text input and output.