writing to file - HELP!!!

[Naf Rash]

I am trying to write some results from my program to a file - I think this should be fairly straightforward especially since there is quite a lot of information to do that. My problem is with respect to the way I need the results to be written to the file. For instance, the results I want displaying are in an array - and for each line of the file I want all the rows for a particular column to be output in the following way:
{some numbers(ints) separated by a comma indicating the next element for that column(ie, the next row)}
I want this to be done for every column.
My problem is that I don't know how to do this - if it was a matter of taking some data from a textfield the matter would be fairly straight forward.
Does anyone have any suggestions???

[Ernest Friedman-Hill]

Well, you'd just use a couple of "for" loops, yes?

for (each row) {
  for (each column) {
    print(value);
    if (not last column)
      print(", ");
  }
  println();
}

Be sure to use a BufferedWriter, or all these little writes will be slow.