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Groups > comp.lang.java.programmer > #21321

Re: Substring changes (JDK 1.7)

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Jan Burse wrote:

> Have to sift through my code and check
> every line that uses substring() whether
> there is some better solution.
>
> For example I trapped myself doing things like:
>
>     int k = path.lastIndexOf('/');
>     while (k!=-1) {
>         String name = path.substring(k+1);
>         /* do something with name */
>         path = path.substring(0,k);
>         k = path.lastIndexOf('/');
>     }
>

And what's wrong with that ?  Seems a sensible approach to me.

If you mean that it's suddenly /significantly/ slower, then I don't believe 
you.  (Though I freely admit that there will be a tiny few cases where it 
/does/ matter -- in which cases I will be wrong.)

    -- chris 

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Thread

Substring changes (JDK 1.7) Jan Burse <janburse@fastmail.fm> - 2013-01-10 14:38 +0100
  Re: Substring changes (JDK 1.7) markspace <markspace@nospam.nospam> - 2013-01-10 08:15 -0800
    Re: Substring changes (JDK 1.7) Joshua Cranmer <Pidgeot18@verizon.invalid> - 2013-01-10 10:48 -0600
      Re: Substring changes (JDK 1.7) markspace <markspace@nospam.nospam> - 2013-01-10 09:22 -0800
        Re: Substring changes (JDK 1.7) Lars Enderin <lars.enderin@telia.com> - 2013-01-10 19:35 +0100
  Re: Substring changes (JDK 1.7) Jan Burse <janburse@fastmail.fm> - 2013-01-10 20:08 +0100
    Re: Substring changes (JDK 1.7) Jan Burse <janburse@fastmail.fm> - 2013-01-10 20:12 +0100
  Re: Substring changes (JDK 1.7) Roedy Green <see_website@mindprod.com.invalid> - 2013-01-10 12:22 -0800
    Re: Substring changes (JDK 1.7) Robert Klemme <shortcutter@googlemail.com> - 2013-01-10 22:58 +0100
      Re: Substring changes (JDK 1.7) Roedy Green <see_website@mindprod.com.invalid> - 2013-01-10 15:20 -0800
      Re: Substring changes (JDK 1.7) Robert Klemme <shortcutter@googlemail.com> - 2013-01-11 07:29 +0100
        Re: Substring changes (JDK 1.7) Roedy Green <see_website@mindprod.com.invalid> - 2013-01-10 23:19 -0800
          Re: Substring changes (JDK 1.7) Robert Klemme <shortcutter@googlemail.com> - 2013-01-12 17:50 +0100
            Re: Substring changes (JDK 1.7) markspace <markspace@nospam.nospam> - 2013-01-12 09:59 -0800
              Re: Substring changes (JDK 1.7) Jan Burse <janburse@fastmail.fm> - 2013-01-12 19:14 +0100
                Re: Substring changes (JDK 1.7) markspace <markspace@nospam.nospam> - 2013-01-12 10:36 -0800
                Re: Substring changes (JDK 1.7) Jan Burse <janburse@fastmail.fm> - 2013-01-13 12:09 +0100
    Re: Substring changes (JDK 1.7) Jan Burse <janburse@fastmail.fm> - 2013-01-11 09:23 +0100
      Re: Substring changes (JDK 1.7) "Chris Uppal" <chris.uppal@metagnostic.REMOVE-THIS.org> - 2013-01-11 08:29 +0000
        Re: Substring changes (JDK 1.7) Jan Burse <janburse@fastmail.fm> - 2013-01-11 10:56 +0100
          Re: Substring changes (JDK 1.7) Jan Burse <janburse@fastmail.fm> - 2013-01-11 14:30 +0100

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