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HSSFWorkbook workbook =null;
InputStream is=null;
try{
is=new FileInputStream("t1.xls");
workbook=new HSSFWorkbook(is);
}catch(Exception e){
log.error(e.getMessage());
}finally{
try{
is.close();
}catch(Exception e){}
}

HSSFSheet sheet= workbook.getSheet("Sheet1");

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