<i18n dev> [BUG] Java 15: DecimalFormatSymbols overrides equals but not hashCode

[Naoto Sato]

I created a JIRA issue for this:

https://bugs.openjdk.java.net/browse/JDK-8253240

Naoto

On 9/16/20 2:11 AM, Pavel Rappo wrote:
> 
> 
>> On 15 Sep 2020, at 21:50, Rob Spoor <openjdk at icemanx.nl> wrote:
>>
>> On 15/09/2020 22:02, Pavel Rappo wrote:
>>>> On 15 Sep 2020, at 20:50, Brian Burkhalter <brian.burkhalter at oracle.com> wrote:
>>>>
>>>>> On Sep 15, 2020, at 12:38 PM, Kevin Rushforth <kevin.rushforth at oracle.com> wrote:
>>>>>
>>>>> I see this in DecimalFormatSymbols:
>>>>>
>>>>>
>>>>>      /**
>>>>>       * Override hashCode.
>>>>>       */
>>>>>>>>    private volatile int hashCode;
>>>>>      @Override
>>>>>      public int hashCode() {
>>>>>
>>>>> Although, I'm not sure why the intervening private field would prevent javadoc from generating at least a method with an empty doc
>>> https://bugs.openjdk.java.net/browse/JDK-8187386
>>
>> So in this case, the solution would be to remove the superfluous "Override equals." comment from the equals method, right?
> 
> It depends on what you want to achieve. On the one hand, if you 'remove the superfluous "Override equals."' it will eliminate the discrepancy that you described in your original email. On the other hand, a reader might no longer have a clear indication that equals and hashCode are meaningfully overridden.
> 
> I would simply return "/** Override hashCode */" to its original place, as it is clearly a bug that affects documentation.
> 
> -Pavel
>