public class ReadFromMap {
	
	public static void main( String [] args ) throws Exception
    {
		try
		{
			/* to read the emp salary */
			
			double claimCount = 0;
				
            POIFSFileSystem fs = new POIFSFileSystem(new FileInputStream("c:/Documents and Settings/umat/My Documents/POI/MCIGeoMap1.xls"));
		    HSSFWorkbook wb = new HSSFWorkbook(fs,true); 
		    HSSFSheet USData = wb.getSheetAt(1); // 2nd sheet has the US data

			/* change the claim amount of IL from 81 to 0 */

		    HSSFRow row = USData.getRow(15);
		    HSSFCell cell = row.getCell((short)2); 
		    System.out.println("Cell Type:" + cell.getCellType());
			claimCount = cell.getNumericCellValue();
			System.out.println(claimCount);
		    if ( claimCount == 81.00)
			    cell.setCellValue(0);
			
		    // Write the output to a file
		    FileOutputStream fileOut = new FileOutputStream("c:/Documents and Settings/umat/My Documents/POI/MCIGeoMap1.xls");
		    wb.write(fileOut);
		    fileOut.close();
                    
		}
		catch (Exception e)
		{
			e.printStackTrace();
			
		}		

    }


}