Better yet, if you are only writing character data,
you should use Writers, specifically the BufferedWriter...
String text = "This is text to write to file.";
File = new File("yourfile.whatever");
FileWriter fw = new FileWriter(file);
BufferedWriter writer = new BufferedWriter(fw);
writer.write(text);
writer.close();
FileWriter will do this by itself, but the BufferedWriter povides some buffering for more efficiency.
Hope this helps.