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  1. class Main {
  2.     public static void niceround(double x) {
  3.         System.out.println(x+" to " + Math.ceil(x * Math.pow(10, -Math.floor(Math.log10(x)))) / Math.pow(10, -Math.floor(Math.log10(x))));
  4.     }
  5.     public static void main(String[] args) {
  6.         niceround(0.0322);
  7.         niceround(3.22);
  8.         niceround(32.2);
  9.         niceround(42.2);
  10.         niceround(422.2);
  11.     }
  12. }
Success #stdin #stdout 0.04s 711168KB
comments (?)
stdin 
Standard input is empty
stdout 
0.0322 to 0.04
3.22 to 4.0
32.2 to 40.0
42.2 to 50.0
422.2 to 500.0
https://ideone.com/wpbq7e
language:
Java (HotSpot 12)
created:
9 years ago
visibility:
public

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