title: How to read and update dynamic excel file programatically using apache poi 3.5 and java?
body: <p>Now i want to read any excel file that are given by the user dynamically and also the extract the data in the tabular form and also update the data the cells...</p>
  
  <p>so, how to capture the column headers and row headers in the excel tabular form and also modify the particular cell value....</p>
  
  <p>See my excel file may like this:</p>
  
  <p><strong>Excel file data</strong></p>
  
  <pre><code>Production Tracking System                              
  Production Report                               
  Location                    Number of centers           Note:
  Manager Name                    Number of emp           
  Manager No                              
  Project Name                                
  Production Plan         Status of the Production                    
  Center Name Date    Target  Status  Items Completed Defects Pending Estimated date of completion    Comments
  
  worker_mdi_1    10/19/2010  0   0   0   0   0   10/19/2010  Nil
  Total   10/19/2010  0   0   0   0   0   10/19/2010  Nil
  </code></pre>
  
  <p>and also append the new data at the last row like Total row. How to do this?</p>