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  1. JDK
  2. JDK-4217661

java.text.DecimalFormat.format behaves inconsistently

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    • Subcomponent:
    • Resolved In Build:
      beta
    • CPU:
      sparc
    • OS:
      solaris_2.5

      Description



      Name: dfC67450 Date: 03/05/99


      java.text.DecimalFormat.format behaves inconsistently in formatting
      fraction part. 0.001 and 1.001 are formatted in a different way.

      Please note that javadoc doesn't specify which one is correct.

      Here is the test demonstrating the bug:

      -----------------Test.java------------------------
      import java.text.*;

      public class Test {
          public static void main (String args[]){
              double d0 = 0.001;
              double d1 = 1.001;
              DecimalFormat df = new DecimalFormat();
              df.setMaximumFractionDigits(2);
              String formatted0 = df.format(d0);
              String formatted1 = df.format(d1);
              System.out.println("pattern: " + df.toPattern());
              System.out.println(d0 + " formatted as : " + formatted0);
              System.out.println(d1 + " formatted as : " + formatted1);
              if (formatted0.length() == formatted1.length())
                  System.out.println("Test passed");
              else
                  System.out.println("Test failed");
          }
      }

      ---------Output from the test---------------------
      pattern: #,##0.##
      0.0010 formatted as : 0
      1.001 formatted as : 1.00
      Test failed
      --------------------------------------------------

      ======================================================================

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            Assignee:
            nlindenbsunw Norbert Lindenberg (Inactive)
            Reporter:
            fdasunw Fda Fda (Inactive)
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