Inefficient code of String.indexOf(String)
mailforanubhav at gmail.com
Mon Jun 17 19:08:16 UTC 2013
Thank you all for the quick response.
I will perform some tests and get in touch again asap.
On Jun 17, 2013 10:45 PM, "David Chase" <david.r.chase at oracle.com> wrote:
> For sufficiently large strings, indexOf can also be profitably
> On 2013-06-17, at 2:14 AM, Martin Buchholz <martinrb at google.com> wrote:
> > You are not the first person to have this idea.
> > It is unlikely that you will succeed in changing the algorithm, because
> > jit-optimized brute-force algorithm is "almost always" faster.
> > But go ahead and prove me wrong!
> > On Sun, Jun 16, 2013 at 3:53 AM, Anubhav Chaturvedi <
> > mailforanubhav at gmail.com> wrote:
> >> Hello,
> >> I have recently started to explore the source code and am new to the
> >> source community. I observed that in String.class within java.lang , the
> >> indexOf method, line 1715, uses the bruteforce approach when it comes to
> >> string matching. This method is used by the contains(CharSequence)
> >> There are a number of algorithms that can perform the task more
> >> efficiently.
> >> I would like to bring the required changes and needed your advice on
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