🎓 Student Management System (Java + MySQL)

This is a basic Student Management System developed in Java using JDBC to connect to a MySQL database.
It allows users to add, view, and delete student records via a console-based interface.

• ➕ Add a new student (ID, name, course, grade)
• 👀 View all students
• ❌ Delete a student by ID
• 🧵 Graceful exit using a thread-based message

• Java JDK 8 or above
• MySQL Server
• JDBC Connector (MySQL): mysql-connector-java-8.x.x.jar
• A database named student_db with a table students

Run the following SQL script in MySQL:

CREATE DATABASE IF NOT EXISTS student_db;

USE student_db;

CREATE TABLE IF NOT EXISTS students (
    id INT PRIMARY KEY,
    name VARCHAR(100),
    course VARCHAR(100),
    grade VARCHAR(10)
);