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  1. JDK
  2. JDK-8064757

Problem with RoundingMode.HALF_UP

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Details

    • Bug
    • Resolution: Duplicate
    • P3
    • None
    • 8u25
    • core-libs
    • x86_64
    • windows_7

    Description

      FULL PRODUCT VERSION :
      Java(TM) SE Runtime Environment (build 1.8.0_25-b18)

      ADDITIONAL OS VERSION INFORMATION :
      Microsoft Windows [Version 6.1.7601]

      A DESCRIPTION OF THE PROBLEM :
      With 7u51 the number 0.0049 has been rounded to 0.005 using RoundingMode.HALF_UP, with 8u25 it is rounded to 0.004

      REGRESSION. Last worked in version 7u51

      EXPECTED VERSUS ACTUAL BEHAVIOR :
      EXPECTED -
      "0.005"
      ACTUAL -
      "0.004"

      REPRODUCIBILITY :
      This bug can be reproduced always.

      ---------- BEGIN SOURCE ----------
      Locale.setDefault(Locale.US);
      DecimalFormat decimalFormat = new DecimalFormat("0.000");
      decimalFormat.setRoundingMode(RoundingMode.HALF_UP);
      System.out.println(decimalFormat.format(0.0049));
      ---------- END SOURCE ----------

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              olagneau Olivier Lagneau (Inactive)
              webbuggrp Webbug Group
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                Created:
                Updated:
                Resolved: