servlet parameter (java) read-mysql scan-array

/*Servlet load import with sql jdbc*/

import java.net.*;import java.io.*;import java.util.HashMap;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.sql.Connection;import java.sql.DriverManager;import java.sql.ResultSet;
import java.sql.SQLException;import java.sql.Statement;

public void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
doGet(request, response);}
protected void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {

response.setContentType("text/javascript");
/*Servlet utf-8 */
response.setCharacterEncoding("UTF-8");  // servlet utf8 handle
/*Servlet Parameter Handle*/
code = request.getParameter("code");  // servlet java parameter
type = request.getParameter("Type");  // servlet java parameter
String callback = request.getParameter("callback");  // for json callback
String value="1",value_2="0",value_3="0",value_4="0",value_5="0";   
/* difference number parameter */
value=request.getParameter("value");
int iValue=0,iValue2=0, iValue3=0,iValue4=0, iValue5=0;
if (value!=null){
    String asValues[] = value.split(",");
    if (asValues.length>=1)value=asValues[0];
    if (asValues.length>=2)value_2=asValues[1];
    if (asValues.length>=3)value_3=asValues[2];
    if (asValues.length>=4)value_2=asValues[3];
    if (asValues.length>=5)value_3=asValues[4];
    iValue= Integer.parseInt(value);   
    iValue2= Integer.parseInt(value_2);
    iValue3= Integer.parseInt(value_3);
    iValue4= Integer.parseInt(value_4);
    iValue5= Integer.parseInt(value_5);
}

int iSignificant=4; // 4 is default
/*Servlet String handle in $ */
String ExtraSign=",,ABCD,DEFG,";
if (ExtraSign.indexOf(","+type+",")>0)  // servlet string in foxpro $ 
{iSignificant= iValue+iValue3-1;}
else {iSignificant= iValue;}
String _return = "",result="",newString ="";
_r=callback+"([\n"; // for json callback
getSQLData();

/* create Reference Data */
if (type.equals("variableCall") || type.equals("Diff")){calTemplate(iValue,iValue2,iValue3);}
else if (type.equals("TEMPLATE")){calTemplate(iValue,iValue2,iValue3);}
else if (type.equals("TEMPLATE")){calTemplate(iValue,iValue2,iValue3);}
else if (type.equals("TEMPLATE")){calTemplate(iValue,iValue2,iValue3);}
    makeJSon(iSignificant);
    _r=_r+"]);";
    StringBuilder sb = new StringBuilder();    sb.append(_r);    _r="";
    PrintWriter out = response.getWriter();
/*Send back to web page*/
    out.print("hello I am tableRead 2");
    out.print(sb.toString());
    out.flush();
    dRaws=null;
    dResults=null;
 }
}


static void getSQLData(){
    try {
        Class.forName("com.mysql.jdbc.Driver");
        con = DriverManager.getConnection("jdbc:mysql://localhost/Database?useUnicode=true&characterEncoding=UTF8","root", "root");
        stmt = con.createStatement();
        rs = stmt.executeQuery("select field1, UNIX_TIMESTAMP(date)*1000,field2,field3,field4 from "+table+" where key ="+code+" ;");
        while (rs.next() /*skip*/)
{String id=rs.getString(1);}
        rs.last(); // go bottom
        int rowCount=rs.getRow();/*recno()*/
        dRaws = new double[rowCount][];
        rs.beforeFirst();  // go top
        int iRecno=0;
        while (rs.next()){
            dRaws[iRecno] = new double [6+10];
            for (int j=2; j<=7; j++){
                try{dRaws[iRecno][j-2]=(double) rs.getDouble(j);    }catch (NullPointerException e) {};
            }
            ++iRecno;
        }
        con.close();
    } catch (Exception e) {e.printStackTrace();}
}


// servlet make json
static void makeJSon(int Sign){
         dResults = new double[dRaws.length][];    fieldCount=10;
        for(int i=0;i<dRaws.length; i++){
            dResults[i] = new double [fieldCount];
            for (int j=0;j<=5;j++){dResults[i][j]=dRaws[i][j];    }
            double close=(double) dResults[i][4];
        }   
           
    String delimiter=",";   
    int i=dResults.length;
    for(int j=0;j<i; j++){
        _r=_r+"["; // Begin of Record
            long _L=(long) dResults[j][0];
            _r=_r+_L+",";
            if (j+1<Sign){_r=_r+""+",";} else {
            Double _d2=Math.round(dResults[j][1]*10000)/10000.000;
            _r=_r+Double.toString(_d2)+",";}
            if (fieldCount>=6){
                //_r=_r+((j<iSignificant2?)="":Double.toString(dResults[j][2]))+",";
                _r=_r+Double.toString(dResults[j][2])+",";
                _r=_r+Double.toString(dResults[j][3])+",";
                _r=_r+Double.toString(dResults[j][4])+",";       
                _L=(long) dResults[j][5];_r=_r+_L+",";   
            }
            for (int k=7; k<fieldCount; k++){
                if (j<iSignificant2){_r=_r+",";}    else     {
                    _r=_r+Double.toString(dResults[j][k])+",";
                    }   
            }
            _r=_r+(j+1) ;
            if (j>=i-1) {delimiter="";}
            _r=_r+"]"+delimiter+"\n";
    }
}