Interchage html table using java

hey all ,
how can i interchange the row and column of the table which is written inside a HTML file using Java ?
like if i have html input file like :
<HTML>
<BODY>
<table border="1">
<tr>
<th>NAME</th>
<th>MONDAY</th>
<th>TUESDAY</th>
<th>WEDNESDAY</th>
</tr>
<tr>
<td>A</td>
<td>C++</td>
<td>C</td>
<td>Java</td>
</tr>
<tr>
<td>B</td>
<td>C</td>
<td>C++</td>
<td>Java</td>
</tr>
<tr>
<td>C</td>
<td>Java</td>
<td>C++</td>
<td>C</td>
</tr>
</table>
</BODY>
</HTML> then my java program generate HTML output file like this :
<HTML>
<BODY>
<table border="1">
<tr>
<th>NAME</th>
<th>A</th>
<th>B</th>
<th>C</th>
</tr>
<tr>
<td>MONDAY</td>
<td>C++</td>
<td>C</td>
<td>Java</td>
</tr>
<tr>
<td>TUESDAY</td>
<td>C</td>
<td>C++</td>
<td>C++</td>
</tr>
<tr>
<td>WEDNESDAY</td>
<td>Java</td>
<td>Java</td>
<td>C</td>
</tr>
</table>
</BODY>
</HTML>

hi all ,
check out this code wiz , but it will not work when when the 2d string array is not square matrix ...any suggestions to remove this limitation ?
import java.io.DataInputStream;
import java.io.FileInputStream;
import java.io.*;
public class ParseHTML
     public static void main(String[] args)
          String a[][]=new String[10][10];
          String fName = "test.html"; //input file name
          a=htmlread(fName);
          String b[][]=new String [10][10];
          b=transpose(a);
          htmlwrite(b,fName);
     public static String[][] htmlread(String fName) //this method will read the file and returns a matrix
          String thisLine;
              String temp[][]=new String[10][10];
              try
              FileInputStream fis = new FileInputStream(fName);
              DataInputStream myInput = new DataInputStream(fis);
              int i=-1;
              int j=-1;
              while ((thisLine = myInput.readLine()) != null)
               if(thisLine.trim().startsWith("<tr>"))
                    i++;
                    j=-1;
               if(thisLine.trim().startsWith("<td>"))
                    j++;
                    thisLine=thisLine.replace("<td>","");
                    thisLine=thisLine.replace("</td>","");
                    temp[i][j]=thisLine;
        catch(IOException e)
               e.printStackTrace();
               System.out.println("File Not Found");
        return temp;
    public static String[][] transpose(String a[][]) //this method will return a tranpose matrix
         String b[][]=new String[a[0].length][a.length];
         for(int i=0;i<a[0].length;i++)
              for(int j=0;j<a.length;j++)
                   b[i][j]=a[j];
     return b;
public static void htmlwrite(String b[][],String fName)
FileOutputStream fout;
int i=-1;
int j=-1;
int flag=0;
               // Open an output stream
          try
          fout = new FileOutputStream ("myfile1.html");
               FileInputStream fis = new FileInputStream(fName);
          DataInputStream myInput = new DataInputStream(fis);
          String thisLine;
          while ((thisLine = myInput.readLine()) != null)
               if(thisLine.trim().startsWith("<tr>"))
                    i++;
                    flag=0;
               if(thisLine.trim().startsWith("<td>"))
                    j++;
                    if(flag==0)
                         j=0;
                         flag=1;
                    thisLine="<td>"+b[i][j]+"</td>";
                    System.out.println(i+" "+j);
          // Print a line of text
          new PrintStream(fout).println (thisLine);
          // Close our output stream
          fout.close();
          catch (IOException e)
               System.err.println ("Unable to write to file");
               System.exit(-1);

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