Formula column help needed(urgent)

Hi ,
I am using the data template for generating XML data.
BIP provided functions like SUM(), AVG(), COUNT(), MAX(), etc to use as
below
<group name="G_DEPT" source="Q1">
<element name="DEPT_NUMBER" value="DEPTNO" />
<element name="DEPTSAL" value="G_EMP.SALARY" function="SUM()"/>
<group name="G_EMP" source="Q2">
<element name="EMPLOYEE_NUMBER" value="EMPNO" />
<element name="NAME" value="ENAME"/>
<element name="JOB" value="JOB" />
<element name="SALARY" value="SAL"/>
</group>
</group>
but suppose if I want to do a sum like
Sum(ALLdebits - All credits - All refunds).
We use to have formula good old formula column. like in ORACLE Reports...
below is my query in the data template....can someone please suggest?
<dataTemplate name="R007" dataSourceRef="xyz">
     <properties>
          <property name="include_rowsettag" value="false"/>
          <property name="include_rowtag" value="false"/>
          <property name="xml_tag_case" value="as_are"/>
     </properties>
     <parameters include_in_output="false">
          <parameter name="DATE_FROM" dataType="varchar2" include_in_output="false"/>
          <parameter name="DATE_TO" dataType="varchar2" include_in_output="false"/>
          <parameter name="BANK_GIRO_NUMBER" dataType="varchar2" include_in_output="false"/>
     </parameters>
     <dataQuery>
          <sqlstatement name="Q1">
               <![CDATA[SELECT
DISTINCT
SYSDATE               todayDate
,substr(trim(CR_BG_NO),3,8)              creditorBGNumber
,CREDITOR_SHORT_NAME   creditorName
,COUNT(*) itemCount
FROM
R00777_REPORT R1
WHERE
R1.TXN_DATE BETWEEN TO_DATE(:DATE_FROM,'YYYY-MM-DD') AND TO_DATE(:DATE_TO,'YYYY-MM-DD') AND
R1.CR_BG_NO = :BANK_GIRO_NUMBER
GROUP BY
substr(trim(CR_BG_NO),3,8)        
,CREDITOR_SHORT_NAME]]>
          </sqlstatement>
          <sqlstatement name="Q2">
               <![CDATA[
SELECT
TXN_DATE
,substr(trim(CR_BG_NO),3,8)
,PAYMENT_TYPE
,TXN_SERIAL_NO
,decode(PAYMENT_TYPE,'AGDEBIT_TRANSFER',DR_TXN_AMOUNT,'AG_REFUND',-RE_TXN_AMOUNT,'AGCREDIT_TRANSFER',-CR_TXN_AMOUNT)
SIGN_AMOUNT
FROM
R00777_REPORT R2
WHERE
R2.TXN_DATE BETWEEN TO_DATE(:DATE_FROM,'YYYY-MM-DD') AND TO_DATE(:DATE_TO,'YYYY-MM-DD')
AND R2.CR_BG_NO = :BANK_GIRO_NUMBER
]]>
          </sqlstatement>
     </dataQuery>
     <dataStructure>
          <group name="response" source="Q1">
               <group name="head" source="Q1">
                    <element name="itemCount" value="itemCount"/>
                    <element name="todayDate" value="todayDate"/>
                    <element name="creditorBGNumber" value="creditorBGNumber"/>
                    <element name="creditorName" value="creditorName"/>
               </group>
               <group name="list" source="Q2">
                    <group name="listItem" source="Q2">
                         <element name="transactionDate" value="TXN_DATE"/>
                         <group name="transactions" source="Q2">
                              <group name="transaction" source="Q2">
                                   <element name="transactionType" value="PAYMENT_TYPE"/>
                                   <element name="serialNumber" value="TXN_SERIAL_NO"/>
                                   <element name="amount" value="SIGN_AMOUNT"/>
                              </group>
                         </group>
                         <element name="netSum" value="transaction.SIGN_AMOUNT" function="SUM()"/>
                    </group>
               </group>
          </group>
     </dataStructure>
</dataTemplate>

Hi Rainer,
Many Thanks for your reply
I had done all the calculations in the report view earlier
and when i accessed it in the data template as follows
<element name="netSum" value="netSum" />
the xml output that i got was like
<R007>
<response>
<head>
<itemCount>8</itemCount>
<todayDate>2009-02-05T15:50:12.000+01:00</todayDate>
<creditorBGNumber>01829209</creditorBGNumber>
<creditorName>ANDROMEDA</creditorName>
</head>
<list>
<listItem>
<transactionDate>2008-09-03T00:00:00.000+02:00</transactionDate>
<netSum>-6647999</netSum>
<transactions>
<transaction>
<transactionType>AGCREDIT_TRANSFER</transactionType>
<serialNumber>5</serialNumber>
<amount>-1687200</amount>
</transaction>
</transactions>
</listItem>
</list>
</response>
</R007>
But the output that i want is something like this
<R007>
<response>
<head>
<itemCount>8</itemCount>
<todayDate>2009-02-05T15:50:12.000+01:00</todayDate>
<creditorBGNumber>01829209</creditorBGNumber>
<creditorName>ANDROMEDA</creditorName>
</head>
<list>
<listItem>
<transactionDate>2008-09-03T00:00:00.000+02:00</transactionDate>
<transactions>
<transaction>
<transactionType>AGCREDIT_TRANSFER</transactionType>
<serialNumber>5</serialNumber>
<amount>-1687200</amount>
</transaction>
</transactions>
<netSum>-6647999</netSum>
</listItem>
</list>
</response>
</R007>
Hence I used the BIP built in template function like this
<element name="netSum" value="transaction.SIGN_AMOUNT" function="SUM()"/>
but the sum() function is adding up all amounts as expexted,I want
the above newsum value as
Sum(AGdebit-AGCREDIT-AG_refund).

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              double Quantity;
              double Cost;
              Scanner file = new Scanner(new File(fileName));//open
              record = file.nextLine();//read a line
              record = file.nextLine();//read a line
              for(int index = 0; index < ValidProduct.length && file.hasNext(); index++)//check to see if the file has data
                   record = file.nextLine();
                   parse = new Scanner(record).useDelimiter(",");
                   String Name = parse.next();
                   UPC = parse.next();
                   Cost = parse.nextDouble();
                   Quantity=parse.nextDouble();
                   ValidProduct[index] = new Product1 ( Name, UPC, Cost, (int) Quantity);
    //               create the object-- call the constructor and pass info
                   logicalSize++;
              return logicalSize+".txt";
         public static double roundDouble(double value, int position)
              java.math.BigDecimal bd = new java.math.BigDecimal(value);
              bd = bd.setScale(position,java.math.BigDecimal.ROUND_UP);
              return bd.doubleValue();
         * This method will print report about valid records
         public static void displayAllRecords( Product1[]valid, int ValidProduct,
                   Product1[] invalid, int InvalidProduct)
    //          Print valid records
              displayAllValidRecords(valid, ValidProduct);
    //          Print invalid UPC records
              displayAllValidRecords(invalid, InvalidProduct);
         public static void displayOneRecord(Product1[]valid, int index)
              double extendedCost, GST, SumofGST = 0, // Total Extended Cost
              totalCost, SumOfTotalCost = 0; // Total Extended Cost + GST
    //          Print title
              System.out.println(leftJustify("Product", 50) +
                        leftJustify("UPC", 15) +
                        rightJustify("Cost", 10) +
                        rightJustify("Quantity", 5) +
                        rightJustify("Extended Cost", 15) +
                        rightJustify("GST", 5) +
                        rightJustify("Total Cost", 13));
              extendedCost = valid[index].CalculateExtendedCost();
              extendedCost = roundDouble(extendedCost, 2);
              GST = valid[index].CalculateGST();
              GST = roundDouble(GST, 2);
              totalCost = extendedCost + GST;
              totalCost = roundDouble(totalCost, 2);
    //          justify method ensures all values are of the same size
              System.out.println(//leftJustify(i+"",3) + ": " +
                        leftJustify(valid[index].GetName(), 50) +
                        leftJustify(valid[index].GetUPC(), 15) +
                        rightJustify(valid[index].GetCost()+"", 10) +
                        rightJustify(valid[index].GetQuantity()+"", 5) +
                        rightJustify(extendedCost+"", 10) +
                        rightJustify(GST+"", 10) +
                        rightJustify(totalCost+"", 10));
         * This method will print report about valid records
         public static void displayAllValidRecords( Product1[]valid, int validCounter)
              double extendedCost, sumOfExtendedCost = 0, // Total Extended Cost
              GST, sumOfGST = 0, // Total GST
              totalCost, sumOfTotalCost = 0; // Total Extended Cost + GST
              System.out.println("************************ XYZ Product " +
                        "Cost REPORT ****************************" +
    //          Print title
              System.out.println(leftJustify("Product", 50) +
                        leftJustify("UPC", 15) +
                        rightJustify("Cost", 10) +
                        rightJustify("Qty", 5) +
                        rightJustify("Extended Cost", 15) +
                        rightJustify("GST", 5) +
                        rightJustify("Total Cost", 13));
    //          Print Records
              for(int i=0; i<validCounter; i++)
                   extendedCost = valid.CalculateExtendedCost();
                   extendedCost = roundDouble(extendedCost, 2);
                   GST = valid[i].CalculateGST();
                   GST = roundDouble(GST, 2);
                   totalCost = extendedCost + GST;
                   totalCost = roundDouble(totalCost, 2);
    //               justify method ensures all values are of the same size
                   System.out.println(//leftJustify(i+"",3) + ": " +
                             leftJustify(valid[i].GetName(), 50) +
                             leftJustify(valid[i].GetUPC(), 15) +
                             rightJustify(valid[i].getClass()+"", 10) +
                             rightJustify(valid[i].GetQuantity()+"", 5) +
                             rightJustify(extendedCost+"", 10) +
                             rightJustify(GST+"", 10) +
                             rightJustify(totalCost+"", 10));
                   sumOfExtendedCost += extendedCost;
                   sumOfGST += GST;
                   sumOfTotalCost += totalCost;
         private static void sortByName(Product1 [] ValidProduct, int logicalSize) throws Exception
              Product1 temp;
              for (int outer = logicalSize-1; outer > 1; outer --)
                   for (int inner = 0; inner < outer; inner ++)
                        if (ValidProduct[inner].GetName().compareToIgnoreCase(ValidProduct[inner+1].GetName())>0)
                             temp = ValidProduct[inner];
                             ValidProduct[inner] = ValidProduct[inner + 1];
                             ValidProduct [+ 1] = temp;
         public static void binarySearchByName(Product1 [] ValidProduct, int logicalSize)
              int high = logicalSize - 1;
              int low = 0;
              int mid = 0;
              int count = 0;
              int compare = 0;
              boolean found = false;
              System.out.print("Enter a product name");
              String product = input.nextLine();
              while (high >= low && !found)
                   count += 1;
                   mid = (high + low) / 2;
                   compare = ValidProduct[mid].GetName().compareToIgnoreCase(product);
                   if (compare == 0)
                        System.out.println("Found: " + ValidProduct[mid].GetName());
                        found = true;
                   else if (compare < 0)
                        low = mid + 1;
                   else
                        high = mid - 1;
              if (!found)
                   System.out.println(product + " not found.");
              System.out.println(count + " steps");
              System.out.println();
         public static String leftJustify(String field, int width)
              StringBuffer buffer = new StringBuffer(field);
              while (buffer.length() < width)
                   buffer.append(' ');
              return buffer.toString();
         public static String rightJustify(String field, int width)
              StringBuffer buffer = new StringBuffer(field);
              while (buffer.length() < width)
                   buffer.append(' ');
              return buffer.toString();
         public static void displayValidRecords(Product1 [] ValidProduct, int logicalSize) throws Exception {
              long longMAX_POSSIBLE_UPC_CODE = 999999999999L;
              // set input stream and get number
              Scanner stdin = new Scanner(System.in);
              System.out.print("Enter a 12-digit UPC number: ");
              long input =stdin.nextLong();
              long number = input;
              // determine whether number is a possible UPC code
              if ((input < 0)|| (input > longMAX_POSSIBLE_UPC_CODE)) {
                   // not a UPC code
                   System.out.println(input +"is an invalid UPC code");
              else {   
                   // might be a UPC code
                   // determine digits
                   int d12 = (int) (number % 10);
                   number /= 10;
                   int d11 = (int) (number % 10);
                   number /= 10;
                   int d10 = (int) (number % 10);
                   number /= 10;
                   int d9 = (int) (number % 10);
                   number /= 10;
                   int d8 = (int) (number % 10);
                   number /= 10;
                   int d7 = (int) (number % 10);
                   number /= 10;
                   int d6 = (int) (number % 10);
                   number /= 10;
                   int d5 = (int) (number % 10);
                   number /= 10;
                   int d4 = (int) (number % 10);
                   number /= 10;
                   int d3 = (int) (number % 10);
                   number /= 10;
                   int d2 = (int) (number % 10);
                   number /= 10;
                   int d1 = (int) (number % 10);
                   number /= 10;
                   // compute sums of first 5 even digits and the odd digits
                   int m = d2 + d4 d6 d8 + d10;
                   int n = d1 + d3 d5 d7 + d9 + d11;
                   // use UPC formula to determine required value for d12
                   int r = 10 - ((m +3*n) % 10);
                   // based on r, can test whether number is a UPC code
                   if (r == d12) {
                        // is a UPCcode
                        System.out.println(input+" is a valid UPC code");
                   else {   
                        // not a UPCcode
                        System.out.println(input+" is not valid UPC code");
    Any help would be great thanks !!
    Take care,

    1) It's your problem that you waited until the last minute before you went for help...not ours. We'll give your problem the same attention as anyone elses...therefore your problem isn't any more urgent than any other problem here.
    2) I don't intend on doing your entire assignment. Nor do I intend on reading all of it. If you need help with a specific requirement, then post the information/code relevant to that requirement. I don't know how to help you when you bury the problem inside a 9 mile long essay.
    3) Post code in tags so it's formatted and readable. (there's a *code* button up above that makes the tags for you).                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               

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    iwapsms

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  • A puzzling situation...help needed urgently!

    This is somewhat related to the topic I posted here (the app is the same) : http://forum.java.sun.com/thread.jspa?threadID=5253292
    So I managed to set things straight and pass the value of the floor selected from the drop down list to a page called FloorPlanRender.jsp (the parameter name is "floorselected", and I store this parameter into an integer variable of the same name as shown in the code for the whole page below). A controller class receives the request, initializes the DB connection and redirects to the appropriate JSP page (not shown in the codes below, but it works fine) -
    [BTW, I have posted the entire code for the page and classes involved...that was just to make the code more informative. The problem seems to be in a very small part of the code alone].
    <%@page language="java" contentType="text/html"%>
    <%@page import="java.util.Iterator"%>
    <%@page import="java.util.ArrayList"%>
    <%@page import="seatplanner.beans.FloorPlanRenderElement"%>
    <% String base = (String)application.getAttribute("base"); %>
    <% String imageURL = (String)application.getAttribute("imageURL"); %>
    <jsp:useBean id="dataManager" scope="application"
      class="seatplanner.model.DataManager"/>
    <!DOCTYPE html
         PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
         "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
    <html xmlns="http://www.w3.org/1999/xhtml" lang="en" xml:lang="en">
    <head>
      <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/>
      <title>Tech Mahindra SeatMaster&reg; | Floor Plan</title>
      <link rel="stylesheet" href="/TechMSeatPlan/css/pagestyle.css" type="text/css"/>
    </head>
    <body>
    <div id="all">
    <!-- Display logo -->
    <div id="toppanel"> <jsp:include page="TopPanel.jsp"/> </div>
    <br/> <br/>
    <!-- Display main content -->
    <div id="contentpanel">
    <!-- Store the floor selected and get the row and column count for the floor -->
    <% String floorselect = request.getParameter("floorselected");
       int floorselected = Integer.parseInt(floorselect);
       int rowcount = dataManager.getRowCount(floorselected);
       int columncount = dataManager.getColumnCount(floorselected);
       ArrayList<FloorPlanRenderElement> floorplanelements = dataManager.getFloorPlanElements(floorselected);
       Iterator<FloorPlanRenderElement> iterator = floorplanelements.iterator(); %>
    <!-- Create Table to display the grid -->
    <% if(!(floorplanelements.isEmpty())) // Checks whether the retrieved ArrayList is empty or not
    FloorPlanRenderElement anelement = new FloorPlanRenderElement();%>
    <table id="floorplan">
    <% while(iterator.hasNext())
         for(int i=1; i==rowcount; i++)
              { %>
                   <tr>
                   <% for(int j=1; j==columncount; j++)
                        anelement = iterator.next(); // Store the elements one by one
                   %>
                   <td width=30px height=30px> <img src="<%=imageURL + anelement.floorelement.getElementType() + "-" + anelement.floorelement.getOccupied()%>"/> </td>
                    <% } //close for...j loop %>
                    </tr>
          <% } //close for...i loop %>
    <% } //close while... loop %>
    </table>
    <% } //close if, start else
    else { %>
    No floor plan exists. Please choose another floor.
    <% } //close else %>
    </div>
    </div>
    </body>
    </html>
                        Now, using this value for floor selected, I have to get the rows and columns configured for this floor from a database. This involves performing a select max statement so that I can get the maximum row and column number respectively. So I call upon the relevant methods in the DataManager class by creating an object, which in turn gets forwarded to a class known as FloorPlanRenderPeer.java [The code for both are shown below]:
    DataManager.java
    package seatplanner.model;
    import java.util.Hashtable;
    import java.util.ArrayList;
    import java.util.Enumeration;
    import java.sql.Connection;
    import java.sql.DriverManager;
    import java.sql.SQLException;
    import java.sql.Statement;
    import seatplanner.beans.FloorPlanRenderElement;
    public class DataManager {
      private String dbURL = "";
      private String dbUserName = "";
      private String dbPassword = "";
      /*Basic and connectivity operations */
      public void setDbURL(String dbURL) {
        this.dbURL = dbURL;
      public String getDbURL() {
        return dbURL;
      public void setDbUserName(String dbUserName) {
        this.dbUserName = dbUserName;
      public String getDbUserName() {
        return dbUserName;
      public void setDbPassword(String dbPassword) {
        this.dbPassword = dbPassword;
      public String getDbPassword() {
        return dbPassword;
      public Connection getConnection() {
        Connection conn = null;
        try {
          conn = DriverManager.getConnection(getDbURL(), getDbUserName(),
              getDbPassword());
        catch (SQLException e) {
          System.out.println("Could not connect to DB: " + e.getMessage());
        return conn;
      public void putConnection(Connection conn) {
        if (conn != null) {
          try { conn.close(); }
          catch (SQLException e) { }
         /* Floor related operations */
         public ArrayList<Integer> getAllFloorNumbers() {
              return FloorPeer.getAllFloorNumbers(this);
         /* Floor Plan Rendering related operations */
         public int getRowCount(int floorselected) {
              return (FloorPlanRenderPeer.getRowCount(this, floorselected));
         public int getColumnCount(int floorselected) {
              return (FloorPlanRenderPeer.getColumnCount(this, floorselected));
         public ArrayList<FloorPlanRenderElement> getFloorPlanElements(int floorselected) {
              return FloorPlanRenderPeer.getFloorPlanElements(this, floorselected);
    FloorPlanRenderPeer.java
    package seatplanner.model;
    import java.sql.Connection;
    import java.sql.ResultSet;
    import java.sql.SQLException;
    import java.sql.Statement;
    import java.util.ArrayList;
    import seatplanner.beans.FloorPlanRenderElement;
    /* This class handles all floor plan rendering operations */
    public class FloorPlanRenderPeer
    /* This method returns the number of rows configured for the floor */
    public static int getRowCount(DataManager dataManager, int floorselected) {
         int rowcount=0;
        Connection connection = dataManager.getConnection();
        if (connection != null) {
          try { 
              Statement s = connection.createStatement();
              try
            String sql = "select max(grid_x_pos) from seatplanner.floorgridpart where floor_id =" + floorselected;
            ResultSet rs = s.executeQuery(sql);
              try {
                  rowcount = rs.getInt(1);
              finally { rs.close(); }
            finally {s.close(); }
          catch (SQLException e) {
            System.out.println("Could not get row count: " + e.getMessage());
          finally {
            dataManager.putConnection(connection);
        return (rowcount);
    /* This method returns the number of columns configured for the floor */
    public static int getColumnCount(DataManager dataManager, int floorselected) {
         int columncount=0;
        Connection connection = dataManager.getConnection();
        if (connection != null) {
          try {
            Statement s = connection.createStatement();
               try {
            String sql = "select max(grid_y_pos) from seatplanner.floorgridpart where floor_id =" + floorselected;
              ResultSet rs = s.executeQuery(sql);
              try {
                  columncount = rs.getInt(1);
                        } finally { rs.close(); }
               } finally {s.close(); }
          catch (SQLException e) {
            System.out.println("Could not get column count: " + e.getMessage());
          finally {
            dataManager.putConnection(connection);
        return columncount;
    /* This method returns all the grid elements needed to render the floor plan for the selected floor */
    public static ArrayList<FloorPlanRenderElement> getFloorPlanElements(DataManager dataManager, int floorselected) {
        ArrayList<FloorPlanRenderElement> floorplanrenderelements = new ArrayList<FloorPlanRenderElement>();
         FloorPlanRenderElement oneelement = new FloorPlanRenderElement();
        Connection connection = dataManager.getConnection();
        if (connection != null) {
          try {
            Statement s = connection.createStatement();
            String sql = "select distinct A.grid_x_pos, A.grid_y_pos, A.element_ID, B.element_type, B.occupied" +
                              "from seatplanner.floorgridpart A, seatplanner.floorelement B where (A.floor_ID = " + floorselected +
                              "and A.element_ID = B.ID) order by A.grid_x_pos, A.grid_y_pos asc";     
            try {
              ResultSet rs = s.executeQuery(sql);
              try {
                while (rs.next()) {
                  oneelement.floorgridpart.setGridXPos(rs.getInt(1));
                     oneelement.floorgridpart.setGridYPos(rs.getInt(2));
                     oneelement.floorgridpart.setElementID(rs.getString(3));
                     oneelement.floorelement.setID(rs.getString(3));
                     oneelement.floorelement.setElementType(rs.getString(4));
                     oneelement.floorelement.setOccupied(rs.getString(5));
                     floorplanrenderelements.add(oneelement);
              finally { rs.close(); }
            finally {s.close(); }
          catch (SQLException e) {
            System.out.println("Could not get floor numbers: " + e.getMessage());
          finally {
            dataManager.putConnection(connection);
        return floorplanrenderelements;
    }When I run the application and choose my floor, the result throws me a "No floor plan exists...." [the else...part in the jsp page].
    I have come to know that it is because for some odd reason, the rowcount and columncount variables are not being set properly. I have tested the queries used in the FloorPlanRender peer class in the mySQL query browser and they work (both the row and column count for floor 3 for example, should return 20). But they don't. When I printed out the rowcount and columncount variables, they were set to a 0. I thought the floorselected parameter wasn't retrieved from the previous page properly, but to my surprise it was successfully set to 3, indicating the desired floor number.
    I can't begin to see where the error is. There is nothing wrong with the DB connection or the query, but the correct value is not being set to the variables in the jsp page.
    Can someone please have a look at the code and guide me as to what possibly is going wrong? I have spent a lot of time and effort and still haven't spotted the mistake, if any. Your help is much appreciated.

    Again wrong usage of Iterator :)
    <%@page language="java" contentType="text/html"%>
    <%@page import="java.util.Iterator"%>
    <%@page import="java.util.ArrayList"%>
    <%@page import="seatplanner.beans.FloorPlanRenderElement"%>
    <% String base = (String)application.getAttribute("base"); %>
    <% String imageURL = (String)application.getAttribute("imageURL"); %>
    <jsp:useBean id="dataManager" scope="application"
      class="seatplanner.model.DataManager"/>
    <!DOCTYPE html
         PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
         "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
    <html xmlns="http://www.w3.org/1999/xhtml" lang="en" xml:lang="en">
    <head>
      <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/>
      <title>Tech Mahindra SeatMaster&reg; | Floor Plan</title>
      <link rel="stylesheet" href="/TechMSeatPlan/css/pagestyle.css" type="text/css"/>
    </head>
    <body>
    <div id="all">
    <!-- Display logo -->
    <div id="toppanel"> <jsp:include page="TopPanel.jsp"/> </div>
    <br/> <br/>
    <!-- Display main content -->
    <div id="contentpanel">
    <!-- Store the floor selected and get the row and column count for the floor -->
    <% String floorselect = request.getParameter("floorselected");
       int floorselected = Integer.parseInt(floorselect);
       int rowcount = dataManager.getRowCount(floorselected);
       int columncount = dataManager.getColumnCount(floorselected);
       ArrayList<FloorPlanRenderElement> floorplanelements = dataManager.getFloorPlanElements(floorselected);
       Iterator<FloorPlanRenderElement> iterator = floorplanelements.iterator(); %>
    <!-- Create Table to display the grid -->
    <% if(!(floorplanelements.isEmpty())) // Checks whether the retrieved ArrayList is empty or not
    FloorPlanRenderElement anelement = new FloorPlanRenderElement();%>
    <table id="floorplan">
    <% while(iterator.hasNext()){
    anelement = iterator.next(); // The iterator.next() every call would takes the pointer to the next element in the collection
    for(int i=1; i==rowcount; i++){ %>
    <tr>
    <% for(int j=1; j==columncount; j++){%>
    <td width=30px height=30px> <img src="<%=imageURL + anelement.floorelement.getElementType() + "-" + anelement.floorelement.getOccupied()%>"/> </td>
    <% } //close for...j loop %>
    </tr>
    <% } //close for...i loop %>
    <% } //close while... loop %>
    </table>
    <% } //close if, start else
    else { %>
    No floor plan exists. Please choose another floor.
    <% } //close else %>
    </div>
    </div>
    </body>
    </html>For god sake please bother to understand how any implementation of java.util.Iterator works
    for more info go through javadocs
    http://java.sun.com/j2se/1.5.0/docs/api/java/util/Iterator.html
    and i believe you have completey ignored my other suggestion of using enhanced loop in J2SE 5.0+ if iterator is confusing.
    Anyways,hope the above might help you in fixing of what you are trying to..
    REGARDS,
    RaHuL

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    go to applications/utilities/adobe installers/acrobat XI deinstall (in my case)

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    import java.awt.*;
    import javax.swing.*;
    import javax.swing.table.*;
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              Object[][] data =
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