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I am trying to format this return string to display ratings at one decimal place. 

return String.format(title + "," + genre + "," + releaseYear + "(" + (getRating() == -1 ? "No ratings" : getRating()) + "): " + numOfDeaths + " deaths");

I keep getting an error saying too few parameters passed.

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    show us full code Commented Oct 27, 2016 at 14:18
  • Been a while since I spoke Java but I think format takes multiple arguments. title, genre, releaseYear etc should be arguments. On the other hand, you should probably be able to simply do a "return title + "," + genre + "," + ... Commented Oct 27, 2016 at 15:49

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You want java.text.DecimalFormat.

DecimalFormat df = new DecimalFormat("0.0##");
String result = df.format(getRating());
return String.format(title + "," + genre + "," + releaseYear + "(" + (getRating() == -1 ? "No ratings" : result) + "): " + numOfDeaths + " deaths");
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