I wnat add sql command inside jsp

I want use sql command how I to do ?

this's is my code and I can read pdf from

<%@ page contentType="application/pdf" %>

<%@ page trimDirectiveWhitespaces="true"%>

<%@ page import="net.sf.jasperreports.engine.*" %>

<%@ page import="java.io.File" %>

<%@ page import="java.io.FileInputStream" %>

<%@ page import="java.io.FileNotFoundException" %>

<%@ page import="java.io.InputStream" %>

<%@ page import="java.sql.Connection" %>

<%@ page import="java.sql.DriverManager" %>

<%@ page import="java.sql.SQLException" %>

 

<%

    Connection conn=null;

     try {

        //Connecting to the MySQL

        Class.forName("com.mysql.jdbc.Driver");

        conn = DriverManager.getConnection("jdbc:mysql://localhost:3306/test?user=root&password=passwd1234");

 

        String jrxmlFile = session.getServletContext().getRealPath(request.getContextPath())+"/T0113.jrxml";

        System.out.println("Check file path : "+jrxmlFile);

        InputStream input = new FileInputStream(new File(jrxmlFile));

 

        JasperReport jasperReport = JasperCompileManager.compileReport(input);

        JasperPrint jasperPrint = JasperFillManager.fillReport(jasperReport, null, conn);

 

        JasperExportManager.exportReportToPdfStream(jasperPrint, response.getOutputStream());

 

    } catch (FileNotFoundException e) {

        e.printStackTrace();

    } catch (JRException e) {

        e.printStackTrace();

    } catch (ClassNotFoundException e) {

        e.printStackTrace();

    } catch (SQLException e) {

        e.printStackTrace();

    }

    finally {

        if(conn!=null){

            conn.close();

        }

    }

%>