Convert .csv to .xls in Java

Question

Does anyone here know of any quick, clean way to convert csv files to xls or xlsx files in java?

I have something to manage csv files already in place and I need the

Answer 1

You wrote:

I have something to manage csv files already in place and I need the extra compatibility for other programs.

What are those other programs? Are they required to access your data through Excel files, or could they work with an JDBC or ODBC connection to a database? Using a database as the central location, you could extract the data into CSV files or other formats as needed.