Re: Encapsulating HashMap bulding

From:
Robert Klemme <shortcutter@googlemail.com>
Newsgroups:
comp.lang.java.programmer
Date:
Wed, 12 May 2010 01:12:43 -0700 (PDT)
Message-ID:
<1a2f6142-fb1b-4c1c-9361-5984a72e04ce@24g2000yqy.googlegroups.com>
On 12 Mai, 06:11, Lew <no...@lewscanon.com> wrote:

Roedy Green writes:

Can anyone think of a way to write a method that takes an
array of X, and produces a HashMap<Key,X>

Stefan Ram wrote:

HashMap< Key, X>m( final X[] x ){ return new HashMap< Key, X>(); =

}

That is genius. This is my favorite answer so far.

Most of the other answers just made my head hurt. I wonder what the po=

int is.

  Rephrasing, what is the value?


I am sorry your brain hurts. ;-)

Actually it did not occur to me that the code above is a valid
implementation of the requirements before. Rereading Roedy's original
posting I think it *is* a valid implementation although I must say
that I found his question a bit vague. So, Roedy, what is it that you
want?

[ ] an empty HashMap with correct types
[ ] a filled HashMap where keys are found based on the values in the
array
[ ] something else, namely
    _________________________________
    _________________________________

Kind regards

robert

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