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import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
import java.util.Scanner;

public class PreparedInsert {

    // Database URL, username, and password
    static final String DB_URL = "jdbc:mysql://localhost:3306/your_database";
    static final String USER = "your_username";
    static final String PASS = "your_password";

    public static void main(String[] args) {
        // Create a Scanner object to read input
        Scanner scanner = new Scanner(System.in);

        // Prompt user for employee details
        System.out.print("Enter employee ID: ");
        int id = scanner.nextInt();
        scanner.nextLine(); // Consume newline left-over

        System.out.print("Enter employee name: ");
        String name = scanner.nextLine();

        System.out.print("Enter employee age: ");
        int age = scanner.nextInt();
        scanner.nextLine(); // Consume newline left-over

        System.out.print("Enter employee department: ");
        String department = scanner.nextLine();

        try {
            // Establish a connection to the database
            Connection conn = DriverManager.getConnection(DB_URL, USER, PASS);
            System.out.println("Connected to the database.");

            // Create a PreparedStatement for the insert operation
            String insertSQL = "INSERT INTO employees (id, name, age, department) VALUES (?, ?, ?, ?)";
            PreparedStatement pstmt = conn.prepareStatement(insertSQL);

            // Set parameters
            pstmt.setInt(1, id);
            pstmt.setString(2, name);
            pstmt.setInt(3, age);
            pstmt.setString(4, department);

            // Execute the insert operation
            int rowsInserted = pstmt.executeUpdate();
            System.out.println(rowsInserted + " row(s) inserted.");

            // Close resources
            pstmt.close();
            conn.close();
            System.out.println("Connection closed.");

        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            scanner.close();
        }
    }
}