equals inconsistent with hashCode in AffineTransform

[Kevin Rushforth]

On 7/25/2022 5:12 AM, Lothar Kimmeringer wrote:
>
>
> Am 25.07.2022 um 14:04 schrieb Martin Desruisseaux:
>
>> This bug prevents the use of AffineTransform as keys in HashMap, unless
>> AffineTransform construction is well-controlled or some workaround is
>> applied before any use as key.
>
> AffineTransform isn't immutable so it can't be used as key in Maps 
> anyway.

That's not quite right. Mutable object can, and frequently are, used in 
Maps, as long as you don't mutate them while they are in a Map. Without 
commenting on this specific PR, it is still a best practice for hashCode 
and equals to be consistent for mutable objects.

-- Kevin


>
>
> Best regards,
>
> Lothar Kimmeringer