How to read/write Excel sheets using java

Hello,
I have downloaded poi-2.5.1-all-bin and it has
poi-2.5.1-final-20040804 , poi-contrib-2.5.1-final-20040804, poi-scratchpad-2.5.1-final-20040804 jar Files
i am unable to configure POI which i have downloaded, when i do
import org.apache.poi.hssf.usermodel.HSSFSheet;
import org.apache.poi.hssf.usermodel.HSSFWorkbook;
it gives error while compilation saying cannot find Sheet class, Workbook class
should i use ant to build it or which jar file path should i specify in the classpath, because i have downloaded the POI package on to my desktop and included the specified the entire path of all the jar files in the classpath but still the same problem.
Please guide me.

dvrsandeep wrote:
import org.apache.poi.hssf.usermodel.HSSFSheet;
import org.apache.poi.hssf.usermodel.HSSFWorkbook;
it gives error while compilation saying cannot find Sheet class, Workbook class
Either it isn't in your class path or you are using the wrong names. Simple as that.
Just as a possibility since you didn't import a "Sheet" class but rather a "HSSFSheet" that certainly suggests something is wrong.

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