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Groups > comp.lang.java.help > #1811

Re: Overflowing HashMap

From David Lamb <dalamb@cs.queensu.ca>
Newsgroups comp.lang.java.help
Subject Re: Overflowing HashMap
Date 2012-06-03 12:55 -0400
Organization A noiseless patient Spider
Message-ID <jqg4tj$hp$1@dont-email.me> (permalink)
References <0rrms7198ugnfvv3otifhdccfogib2a1vk@4ax.com> <jqg0h6$5hc$1@dont-email.me>

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On 03/06/2012 11:40 AM, Knute Johnson wrote:
> On 6/3/2012 7:39 AM, Roedy Green wrote:
>> One of the problems is HashMaps, even in 64-bit JVMs, can still only
>> hold 1<< 30 elements.
>
> What does that mean?
>

Maybe hashmaps use only (most of) an int for indices?

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Overflowing HashMap Roedy Green <see_website@mindprod.com.invalid> - 2012-06-03 07:39 -0700
  Re: Overflowing HashMap Patricia Shanahan <pats@acm.org> - 2012-06-03 08:08 -0700
    Re: Overflowing HashMap Roedy Green <see_website@mindprod.com.invalid> - 2012-06-03 19:59 -0700
      Re: Overflowing HashMap Gene Wirchenko <genew@ocis.net> - 2012-06-04 10:25 -0700
  Re: Overflowing HashMap Knute Johnson <nospam@knutejohnson.com> - 2012-06-03 08:40 -0700
    Re: Overflowing HashMap David Lamb <dalamb@cs.queensu.ca> - 2012-06-03 12:55 -0400
      Re: Overflowing HashMap Lew <noone@lewscanon.com> - 2012-06-03 12:06 -0700
        Re: Overflowing HashMap Daniel Pitts <newsgroup.nospam@virtualinfinity.net> - 2012-06-03 13:30 -0700
          Re: Overflowing HashMap Lew <noone@lewscanon.com> - 2012-06-03 13:52 -0700
    Re: Overflowing HashMap Roedy Green <see_website@mindprod.com.invalid> - 2012-06-03 20:51 -0700
      Re: Overflowing HashMap Patricia Shanahan <pats@acm.org> - 2012-06-03 20:59 -0700
        Re: Overflowing HashMap Roedy Green <see_website@mindprod.com.invalid> - 2012-06-03 21:13 -0700

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