contains for TreeSet

[Martin Buchholz]

It's explained in the TreeSet javadoc.


On Tue, Jun 17, 2014 at 6:39 PM, David Holmes <david.holmes at oracle.com>
wrote:

> Moving your question to core-libs-dev, please drop build-dev from all
> future responses.
>
> David
>
>
> On 18/06/2014 10:56 AM, Su wrote:
>
>> May I ask why "contains" method of TreeSet uses the comparator to decide
>> if
>> two objects are equals, but not the equals method of the object?
>>
>> Thank you.
>>
>>