title: Load a CSV template and write data to it via java
body: <p>I have a CSV template file, say, having 10 columns.
  I would like to load this CSV file template, and then write data to the relevant cells(say only to 5 of the 10 cells) through a java program. 
  I went through <a href="https://github.com/org-tigris-jsapar/jsapar" rel="nofollow noreferrer">JSAPAR</a>, <a href="https://super-csv.github.io/super-csv/index.html" rel="nofollow noreferrer">SuperCSV</a> etc, but am not sure whether these libraries have the "stuff" what exactly I need.
  Is there any framework supporting this kind of operations?</p>