Groups > comp.lang.java.programmer > #9738

Re: Did the sort do anything?

Newsgroups	comp.lang.java.programmer
From	Andreas Leitgeb <avl@gamma.logic.tuwien.ac.at>
Subject	Re: Did the sort do anything?
References	<4d8fb7l8qb1g820cphr4fh447a9uitlddj@4ax.com> <l0cfb7d83g6jl7gflv5ra0nn8oo5humfl9@4ax.com>
Message-ID	<slrnjbffpu.fvg.avl@gamma.logic.tuwien.ac.at> (permalink)
Date	2011-11-07 11:21 +0000

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Roedy Green <see_website@mindprod.com.invalid> wrote:
>  public static void sort(Object[] a) {
> Surely they mean Comparable?

Were it
  public static void sort(Comparable[] a) { ... }
you couldn't pass anything to it than an exact Comparable[],
but not e.g. an Integer[].

Have a look into the JLS for allowed implicit casts among arrays.

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Did the sort do anything? Roedy Green <see_website@mindprod.com.invalid> - 2011-11-07 01:27 -0800
  Re: Did the sort do anything? Roedy Green <see_website@mindprod.com.invalid> - 2011-11-07 02:20 -0800
    Re: Did the sort do anything? Andreas Leitgeb <avl@gamma.logic.tuwien.ac.at> - 2011-11-07 11:21 +0000
  Re: Did the sort do anything? Andreas Leitgeb <avl@gamma.logic.tuwien.ac.at> - 2011-11-07 10:49 +0000
    Re: Did the sort do anything? Roedy Green <see_website@mindprod.com.invalid> - 2011-11-07 02:58 -0800
  Re: Did the sort do anything? Eric Sosman <esosman@ieee-dot-org.invalid> - 2011-11-07 07:11 -0500
    Re: Did the sort do anything? Joshua Cranmer <Pidgeot18@verizon.invalid> - 2011-11-07 08:30 -0600
      Re: Did the sort do anything? Eric Sosman <esosman@ieee-dot-org.invalid> - 2011-11-07 21:03 -0500
  Re: Did the sort do anything? markspace <-@.> - 2011-11-07 07:48 -0800
  Re: Did the sort do anything? dagon@dagon.net (Dagon) - 2011-11-07 12:50 -0800
    Re: Did the sort do anything? Cindy <c.thurston@frell.okb.uwa.edu> - 2011-11-07 22:02 -0500
      Re: Did the sort do anything? Cindy <c.thurston@frell.okb.uwa.edu> - 2011-11-07 22:22 -0500
  Re: Did the sort do anything? Arne Vajhøj <arne@vajhoej.dk> - 2011-11-07 17:42 -0500

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