On Thu, 20 Jan 2022 23:20:37 GMT, Joe Darcy <da...@openjdk.org> wrote:

>> While it is strongly recommend to not use the default toString for a class, 
>> at times it is the least-bad alternative. When that alternative needs to be 
>> used, it would be helpful to have the implementation already available, such 
>> as in Objects.toDefaultString(). This method is analagous to 
>> System.identityHashCode.
>> 
>> Please also review the CSR: https://bugs.openjdk.java.net/browse/JDK-8280184
>
> Joe Darcy has updated the pull request incrementally with one additional 
> commit since the last revision:
> 
>   Appease jcheck.

Expanding the scope of the proposed change, perhaps outside of a good 
cost/benefit ratio, there are now two new methods:

toDefaultString(Object o) // uses o.hashCode
toIdentityString(Object o) // uses System.identityHashCode(o)

The revision refactors two occurrences of the logic of toDefaultString with 
calls to the new method.

The toIdentityString method has the sometimes helpful property that no 
overridden methods of the object are called in constructing the string.

I'll revise the CSR once the final set of methods and their spec for this fix 
is determined.

-------------

PR: https://git.openjdk.java.net/jdk/pull/7139

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