selenium data driven testing...Unable to compile this program.help me out

package first;

import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import org.apache.poi.ss.usermodel.Cell;
import org.apache.poi.ss.usermodel.Row;
import org.apache.poi.ss.usermodel.Sheet;
import org.apache.poi.ss.usermodel.Workbook;
import org.apache.poi.ss.usermodel.WorkbookFactory;

public class example {
public static String val;
public static String getval(String stname,int rownum,int cellnum) throws Exception, FileNotFoundException, IOException
{

Workbook wb=WorkbookFactory.create(new FileInputStream("C:Book1.xls"));
int st=wb.getSheetIndex(stname);
Sheet s=wb.getSheetAt(st);
Row r=s.getRow(rownum);
Cell c=r.getCell(cellnum);
val=c.getStringCellValue();
return val;

}
public static void main(String[] args) throws FileNotFoundException, IOException, Exception {
String s=getval("sheet1",3,1);
System.out.println(s);

}
}

Please explain the problem. If you get error messages, copy the full text and pasted it here.

Please edit your post and wrap your code with
[code=java]
<YOUR CODE HERE>
[/code]
to get highlighting and preserve formatting.

ddt

--- Update ---

Code :

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package first;
 
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import org.apache.poi.ss.usermodel.Cell;
import org.apache.poi.ss.usermodel.Row;
import org.apache.poi.ss.usermodel.Sheet;
import org.apache.poi.ss.usermodel.Workbook;
import org.apache.poi.ss.usermodel.WorkbookFactory;
 
public class example {
public static String val;
public static String getval(String stname,int rownum,int cellnum) throws Exception, FileNotFoundException, IOException 
{
 
	Workbook wb=WorkbookFactory.create(new FileInputStream("D:\\Book1.xls"));
	int st=wb.getSheetIndex(stname);
	Sheet s=wb.getSheetAt(st);
	Row r=s.getRow(rownum);
	Cell c=r.getCell(cellnum);
	val=c.getStringCellValue();
	return val;
 
}
	public static void main(String[] args) throws FileNotFoundException, IOException, Exception  {
			String s=getval("sheet1",3,1);
		System.out.println(s);
 
}
}

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getting the following error

Exception in thread "main" java.io.FileNotFoundException: D:\Book1.xls (The system cannot find the file specified)
at java.io.FileInputStream.open(Native Method)
at java.io.FileInputStream.<init>(Unknown Source)
at java.io.FileInputStream.<init>(Unknown Source)
at first.example.getval(example.java:17)
at first.example.main(example.java:28)

Quote:

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FileNotFoundException: D:\Book1.xls (

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The program can not find the file. Check the spelling of the name and the location.

Quote:

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Originally Posted by Norm

The program can not find the file. Check the spelling of the name and the location.

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checked it many times but still unable to compile

Quote:

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unable to compile

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What compiler error are you getting?
The posted error is a runtime error because the program can not find the file named in the error message.