CPP_CHEN的专栏

I wrote a small java program to test the postgreSql JDBC driver on X86_64 Ubuntu  12.04 LTS.  Always it small program built successfully but always failed to run reporting "Exception in thread "main"

Usually don't use HSSFRow.getPhysicalNumberOfCells()  (it may return wrong information) to determine how many columns there are in excel spreadsheet, use HSSFRow.getLastCellNum() instead. getPhysicalN