Groups > comp.lang.java.programmer > #8461

Re: Creating a PrintWriter with BufferedWriter versus just File

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Date	Sat, 01 Oct 2011 15:53:44 -0400
From	Arne Vajhøj <arne@vajhoej.dk>
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Subject	Re: Creating a PrintWriter with BufferedWriter versus just File
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On 10/1/2011 8:06 AM, Roedy Green wrote:
> On Fri, 30 Sep 2011 10:00:55 -0700 (PDT), KevinSimonson
> <kvnsmnsn@hotmail.com>  wrote, quoted or indirectly quoted someone who
> said :
>
>> What's the difference between this code:
>>
>> PrintWriter destination
>>           = new PrintWriter
>>               ( new BufferedWriter( new FileWriter( new File( arg))));
>>
>> and this code:
>>
>> PrintWriter destination = new PrintWriter( new File( arg));
>>
>> Do I get buffered output with the first code that I don't get with the
>> second code?  Or do I get the same buffered behavior with both?
>
> You don't get buffering, or at least significant buffering. Given that
> computers have at least four times as much RAM as they had when Java
> io was conceived,

4??

More than 40!

>               you probably want to use 64K buffers,

64 KB buffer was not a problem when java.io was invented.

Arne

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Creating a PrintWriter with BufferedWriter versus just File KevinSimonson <kvnsmnsn@hotmail.com> - 2011-09-30 10:00 -0700
  Re: Creating a PrintWriter with BufferedWriter versus just File Lew <lewbloch@gmail.com> - 2011-09-30 12:55 -0700
  Re: Creating a PrintWriter with BufferedWriter versus just File Arne Vajhøj <arne@vajhoej.dk> - 2011-09-30 21:30 -0400
  Re: Creating a PrintWriter with BufferedWriter versus just File Roedy Green <see_website@mindprod.com.invalid> - 2011-10-01 05:06 -0700
    Re: Creating a PrintWriter with BufferedWriter versus just File Arne Vajhøj <arne@vajhoej.dk> - 2011-10-01 15:53 -0400

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