Step-by-step Implementation to Utilize New JDBC Features in Java application

import javax.sql.DataSource;
import java.io.PrintWriter;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.SQLFeatureNotSupportedException;
import java.util.logging.Logger;

public class DataSourceFactory implements DataSource {

    // JDBC connection parameters
    private static final String URL = "jdbc:mysql://localhost:3307/work";
    private static final String USER = "root";
    private static final String PASSWORD = " ";

    // method to get connection with the database
    @Override
    public Connection getConnection() throws SQLException {
        // Establish connection using URL, username, and password
        return DriverManager.getConnection(URL, USER, PASSWORD);
    }

    // Method to get a connection to the database with provided username and password
    @Override
    public Connection getConnection(String username, String password) throws SQLException 
    {
        // Establish connection using URL, provided username, and password
        return DriverManager.getConnection(URL, username, password);
    }

    // Methods below are not implemented for this example
    @Override
    public Logger getParentLogger() throws SQLFeatureNotSupportedException 
    {
        return null;
    }

    @Override
    public <T> T unwrap(Class<T> iface) throws SQLException 
    {
        return null;
    }

    @Override
    public boolean isWrapperFor(Class<?> iface) throws SQLException 
    {
        return false;
    }

    @Override
    public PrintWriter getLogWriter() throws SQLException 
    {
        return null;
    }

    @Override
    public void setLogWriter(PrintWriter out) throws SQLException 
    {
        
    }

    @Override
    public void setLoginTimeout(int seconds) throws SQLException 
    {
        
    }

    @Override
    public int getLoginTimeout() throws SQLException 
    {
        return 0;
    }

    // Main method to demonstrate usage of DataSourceFactory
    public static void main(String[] args) 
    {
        // Create an instance of DataSourceFactory
        DataSource dataSource = new DataSourceFactory();
        
        // SQL query to retrieve data from the "employees" table
        String query = "SELECT * FROM employees WHERE dept = ?";
        
        try (Connection connection = dataSource.getConnection();
             PreparedStatement statement = connection.prepareStatement(query)) {
            
            // Set parameter for the SQL query
            statement.setString(1, "IT");
            
            // Execute the query
            try (ResultSet resultSet = statement.executeQuery()) {
                // Iterate over the result set and print data
                while (resultSet.next()) {
                    String name = resultSet.getString("name");
                    int age = resultSet.getInt("age");
                    System.out.println("Name: " + name + ", Age: " + age);
                }
            }
        } catch (SQLException e) {
            // Handle SQL exceptions
            e.printStackTrace();
        }
    }
}