是否注销JDBC驱动程序？

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;
import java.util.Enumeration;

public class JDBCDriverDeregistrationExample {
    public static void main(String[] args) {
        Connection connection = null;
        
        try {
            // 创建数据库连接
            connection = DriverManager.getConnection("jdbc:mysql://localhost:3306/mydatabase", "username", "password");
            
            // 执行数据库操作...
            
        } catch (SQLException e) {
            e.printStackTrace();
        } finally {
            if (connection != null) {
                try {
                    // 关闭数据库连接
                    connection.close();
                } catch (SQLException e) {
                    e.printStackTrace();
                }
            }
            
            // 注销JDBC驱动程序
            Enumeration<java.sql.Driver> drivers = DriverManager.getDrivers();
            while (drivers.hasMoreElements()) {
                java.sql.Driver driver = drivers.nextElement();
                try {
                    DriverManager.deregisterDriver(driver);
                } catch (SQLException e) {
                    e.printStackTrace();
                }
            }
        }
    }
}