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Re: String comparisons

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Merciadri Luca wrote:
> I can explain why 1., 2., 4. and 6. are respectively FALSE, TRUE,
> TRUE and FALSE.
>
> Considering ints apart, the == operator returns TRUE e.g. in a == b if
> a and b are same objects. As a result, d != s is true, and d == s is
> false because d and s are not the same objects.

More precisely, they are not objects at all but pointers to objects.

> For question 2., d == c is true because of the affectation String c =
> d. That is, d and c are exactly the same object.

Not true.  They are pointers to the same object.

> This was not what I had understood from reading Aéris' message at
> first sight, but re-looking at it, this is the same
> explanation. Thanks, Aéris. I would have better understood if one had
> said that == tests if the two objects are the same!

That's in the tutorials.

You should read the tutorials.  We've been recommending them for a long time.

-- 
Lew
Honi soit qui mal y pense.
http://upload.wikimedia.org/wikipedia/commons/c/cf/Friz.jpg

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String comparisons Merciadri Luca <Luca.Merciadri@student.ulg.ac.be> - 2011-04-02 22:26 +0200
  Re: String comparisons Aéris <aeris@imirhil.fr> - 2011-04-02 23:23 +0200
    Re: String comparisons Aéris <aeris@imirhil.fr> - 2011-04-02 23:27 +0200
    Re: String comparisons Merciadri Luca <Luca.Merciadri@student.ulg.ac.be> - 2011-04-03 18:59 +0200
      Re: String comparisons Lew <noone@lewscanon.com> - 2011-04-06 12:19 -0400
  Re: String comparisons Roedy Green <see_website@mindprod.com.invalid> - 2011-04-02 21:17 -0700
  Re: String comparisons Merciadri Luca <Luca.Merciadri@student.ulg.ac.be> - 2011-04-03 12:07 +0200

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