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

public class ConnectionFactory {

    static {
        try {
            Class.forName("com.mysql.cj.jdbc.Driver");
        } catch (ClassNotFoundException ex) {
            ex.printStackTrace();
        }
    }

    public static Connection conectar() throws SQLException {

        return DriverManager.getConnection
                ("jdbc:mysql://localhost/banco", "user",
                        "u1s3e4r@@1f4d5AddDDq");

    }

}