What is the output(NumberFormat)? : Questions « Utility Classes « SCJP

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import java.text.NumberFormat;

public class MainClass{
  public static void main(String[] args) {
    String s = "987.123456";
    double d = 987.123456d;
    NumberFormat nf = NumberFormat.getInstance();
    nf.setMaximumFractionDigits(5);
    System.out.println(nf.format(d) + " ");
    try {
      System.out.println(nf.parse(s));
    } catch (Exception e) {
      System.out.println("got exc");
    }
  }
}