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Re: Convert a String to Int: can I use toInt() instead of Integer.parseInt()?

From "Thee Chicago Wolf [MVP]" <.@.>
Newsgroups comp.lang.java.help
Subject Re: Convert a String to Int: can I use toInt() instead of Integer.parseInt()?
Date 2011-07-06 13:14 -0500
Organization .
Message-ID <6e9917pc6pe4o9r71j7cil35gl9dk7tisf@4ax.com> (permalink)
References (3 earlier) <iuvi8e$m6g$1@dont-email.me> <7an6179km7upsvba40ebe98gmfedg2414k@4ax.com> <iuvqj8$ilj$1@dont-email.me> <dss6179oa9vq21vf7tlu6e78bdhqjdm65m@4ax.com> <evwzmbudp92y$.dlg@kimmeringer.de>

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On Wed, 6 Jul 2011 11:15:24 +0200, Lothar Kimmeringer
<news200709@kimmeringer.de> wrote:

>Thee Chicago Wolf [MVP] wrote:
>
>> Sorry if that was confusing. I meant to say that to Java, everything
>> is string input until it's assigned a data type. That's what my prof
>> says.
>
>If that's a quote, he's wrong or he was referring to another
>programming language. AFAIR Javascript has something like this
>but I haven't had a look at that since 1997 and I'm quite sure
>that this is valid for most shells (BASH, etc.) where you explicitly
>have to declare a variable as e.g. integer in order to be able to
>use it as a counter etc.
>
>> I don't have any programming experience, this is Programming II.
>> And yes, I know you cannot do math on String unless the String is
>> totally numeric in which case it first must be converted to integer
>
>And if you convert it to a numeric value you don't do calculations
>on the String anymore but on the number. The String still exists
>in parallel and stays unchanged.
>
>> and then have a math op done on it. So when I stated that everything
>> is a string until you do a math op on it, I did not mean literally
>> that. I understand that data type manipulation has to happen first.
>
>I'm not 100% sure (English is not my main language) but I think
>there is no such thing as a data type manipulation in Java. What
>you have to do is a conversion from one type to another resulting
>to two instances holding the same value (the number and the
>string representation of that number).
>
>> The assignment did not say we *couldn't* use BigInteger. How would
>> that have helped? Haven't used it yet.
>
>The number can be as big as it needs to be, there is no limit
>(technically there is but it's quite irrelevant here).
>
>
>Regards, Lothar

It's probably not my prof but my misunderstanding. I'm sure he meant
something else regarding the strings stuff and I just misinterpreted
it.

- Thee Chicago Wolf [MVP]

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Thread

Convert a String to Int: can I use toInt() instead of Integer.parseInt()? "Thee Chicago Wolf [MVP]" <.@.> - 2011-07-01 12:53 -0500
  Re: Convert a String to Int: can I use toInt() instead of Integer.parseInt()? Jeff Higgins <jeff@invalid.invalid> - 2011-07-01 17:55 -0400
  Re: Convert a String to Int: can I use toInt() instead of Integer.parseInt()? markspace <-@.> - 2011-07-01 18:19 -0700
    Re: Convert a String to Int: can I use toInt() instead of Integer.parseInt()? "Thee Chicago Wolf [MVP]" <.@.> - 2011-07-05 10:26 -0500
      Re: Convert a String to Int: can I use toInt() instead of Integer.parseInt()? Eric Sosman <esosman@ieee-dot-org.invalid> - 2011-07-05 13:39 -0400
        Re: Convert a String to Int: can I use toInt() instead of Integer.parseInt()? "Thee Chicago Wolf [MVP]" <.@.> - 2011-07-05 13:57 -0500
          Re: Convert a String to Int: can I use toInt() instead of Integer.parseInt()? markspace <-@.> - 2011-07-05 13:01 -0700
            Re: Convert a String to Int: can I use toInt() instead of Integer.parseInt()? "Thee Chicago Wolf [MVP]" <.@.> - 2011-07-05 15:47 -0500
              Re: Convert a String to Int: can I use toInt() instead of Integer.parseInt()? markspace <-@.> - 2011-07-05 14:57 -0700
                Re: Convert a String to Int: can I use toInt() instead of Integer.parseInt()? "Thee Chicago Wolf [MVP]" <.@.> - 2011-07-06 13:11 -0500
                Re: Convert a String to Int: can I use toInt() instead of Integer.parseInt()? markspace <-@.> - 2011-07-06 11:54 -0700
                Re: Convert a String to Int: can I use toInt() instead of Integer.parseInt()? "Thee Chicago Wolf [MVP]" <.@.> - 2011-07-06 16:58 -0500
                Re: Convert a String to Int: can I use toInt() instead of Integer.parseInt()? markspace <-@.> - 2011-07-06 15:36 -0700
                Re: Convert a String to Int: can I use toInt() instead of Integer.parseInt()? Patricia Shanahan <pats@acm.org> - 2011-07-06 16:53 -0700
                Re: Convert a String to Int: can I use toInt() instead of Integer.parseInt()? markspace <-@.> - 2011-07-06 18:07 -0700
              Re: Convert a String to Int: can I use toInt() instead of Integer.parseInt()? Nigel Wade <nmw-news@ion.le.ac.uk> - 2011-07-06 09:57 +0100
                Re: Convert a String to Int: can I use toInt() instead of Integer.parseInt()? "Thee Chicago Wolf [MVP]" <.@.> - 2011-07-06 13:13 -0500
                Re: Convert a String to Int: can I use toInt() instead of Integer.parseInt()? Nigel Wade <nmw-news@ion.le.ac.uk> - 2011-07-07 09:43 +0100
              Re: Convert a String to Int: can I use toInt() instead of Integer.parseInt()? Lothar Kimmeringer <news200709@kimmeringer.de> - 2011-07-06 11:15 +0200
                Re: Convert a String to Int: can I use toInt() instead of Integer.parseInt()? "Thee Chicago Wolf [MVP]" <.@.> - 2011-07-06 13:14 -0500
          Re: Convert a String to Int: can I use toInt() instead of Integer.parseInt()? Eric Sosman <esosman@ieee-dot-org.invalid> - 2011-07-05 16:27 -0400
            Re: Convert a String to Int: can I use toInt() instead of Integer.parseInt()? Lothar Kimmeringer <news200709@kimmeringer.de> - 2011-07-06 11:22 +0200
              Re: Convert a String to Int: can I use toInt() instead of Integer.parseInt()? Eric Sosman <esosman@ieee-dot-org.invalid> - 2011-07-06 07:33 -0400
  Re: Convert a String to Int: can I use toInt() instead of Integer.parseInt()? Eric Sosman <esosman@ieee-dot-org.invalid> - 2011-07-01 23:06 -0400
    Re: Convert a String to Int: can I use toInt() instead of Integer.parseInt()? Patricia Shanahan <pats@acm.org> - 2011-07-01 20:28 -0700
    Re: Convert a String to Int: can I use toInt() instead of Integer.parseInt()? "Thee Chicago Wolf [MVP]" <.@.> - 2011-07-05 10:27 -0500
  Re: Convert a String to Int: can I use toInt() instead of Integer.parseInt()? Roedy Green <see_website@mindprod.com.invalid> - 2011-07-04 08:59 -0700
    Re: Convert a String to Int: can I use toInt() instead of Integer.parseInt()? "Thee Chicago Wolf [MVP]" <.@.> - 2011-07-05 10:30 -0500

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