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Re: Array of a Class Type that contains an array where the sizes of the array are not known at compile time.

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GCRhoads@volcanomail.com writes:
> On Monday, January 14, 2013 4:59:38 PM UTC-5, Eric Sosman wrote:
>> On 1/14/2013 4:36 PM, GCRhoads@volcanomail.com wrote:

>>      Second, if two objects' memory areas happen to be adjacent at
>> some time, how could you detect it?  Or, how could you detect that
>> they are not adjacent?  Can you think of *any* Java code that would
>> behave differently if objects X and Y were or were not adjacent?

> I care because it has a large effect on the efficiency of the program.
> With contiguous memory locations, the program's memory accesses will have
> a very high locality of reference resulting in a much faster average
> memory access time due to the computer's memory cache.

Anyway, in Java, you will not know where in memory each object is
located. The JVM does all the memory address handling under the hood and
doesn't tell where it decides to allocate memory space for objects.

-- 
Jukka Lahtinen

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Array of a Class Type that contains an array where the sizes of the array are not known at compile time. GCRhoads@volcanomail.com - 2013-01-13 17:38 -0800
  Re: Array of a Class Type that contains an array where the sizes of the array are not known at compile time. Daniel Pitts <newsgroup.nospam@virtualinfinity.net> - 2013-01-13 18:56 -0800
    Re: Array of a Class Type that contains an array where the sizes of the array are not known at compile time. GCRhoads@volcanomail.com - 2013-01-14 13:36 -0800
      Re: Array of a Class Type that contains an array where the sizes of the array are not known at compile time. Eric Sosman <esosman@comcast-dot-net.invalid> - 2013-01-14 16:59 -0500
        Re: Array of a Class Type that contains an array where the sizes of the array are not known at compile time. GCRhoads@volcanomail.com - 2013-01-14 20:00 -0800
          Re: Array of a Class Type that contains an array where the sizes of the array are not known at compile time. GCRhoads@volcanomail.com - 2013-01-14 20:04 -0800
            Re: Array of a Class Type that contains an array where the sizes of the array are not known at compile time. Patricia Shanahan <pats@acm.org> - 2013-01-14 23:44 -0800
            Re: Array of a Class Type that contains an array where the sizes of the array are not known at compile time. Eric Sosman <esosman@comcast-dot-net.invalid> - 2013-01-15 09:07 -0500
          Re: Array of a Class Type that contains an array where the sizes of the array are not known at compile time. Jukka Lahtinen <jtfjdehf@hotmail.com.invalid> - 2013-01-15 09:06 +0200
          Re: Array of a Class Type that contains an array where the sizes of the array are not known at compile time. Eric Sosman <esosman@comcast-dot-net.invalid> - 2013-01-15 08:32 -0500
          Re: Array of a Class Type that contains an array where the sizes of the array are not known at compile time. Lew <lewbloch@gmail.com> - 2013-01-15 11:19 -0800
          Re: Array of a Class Type that contains an array where the sizes of the array are not known at compile time. Joshua Cranmer <Pidgeot18@verizon.invalid> - 2013-01-15 13:52 -0600
      Re: Array of a Class Type that contains an array where the sizes of the array are not known at compile time. Roedy Green <see_website@mindprod.com.invalid> - 2013-01-15 20:56 -0800
  Re: Array of a Class Type that contains an array where the sizes of the array are not known at compile time. markspace <markspace@nospam.nospam> - 2013-01-13 19:01 -0800
    Re: Array of a Class Type that contains an array where the sizes of the array are not known at compile time. Lew <lewbloch@gmail.com> - 2013-01-13 21:39 -0800

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