Core Java Projects

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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

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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

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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.