I have a simple spring batch program which reads data from a INPUT file and writes to OUTPUT file.
Input file is having 50000 records and my chunk size is 1000.
There are five columns in the input file viz. one, two, three, four, five
My requirement is to create a excel file (.xls file) as output.
There is no out of the box support for creating excel files (.xls). There are two options.
be opened in excel. This is the simplest option and would be
sufficient for most applications.
the excel file using some library like apache POI or jexl