[program-java] Re: Java: Redimensioning my existing array.

  • From: "Homme, James" <james.homme@xxxxxxxxxxxx>
  • To: "program-java@xxxxxxxxxxxxx" <program-java@xxxxxxxxxxxxx>
  • Date: Fri, 3 Sep 2010 10:29:10 -0400

Hi,
You have to tell Java the length of an array at some point.

Jim

Jim Homme,
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From: program-java-bounce@xxxxxxxxxxxxx 
[mailto:program-java-bounce@xxxxxxxxxxxxx] On Behalf Of Stanzel, Susan - Kansas 
City, MO
Sent: Friday, September 03, 2010 10:27 AM
To: program-java@xxxxxxxxxxxxx
Subject: [program-java] Re: Java: Redimensioning my existing array.

It was my impression that you don't have to tell Java an exact length because 
you don't always know it.

Susie

From: program-java-bounce@xxxxxxxxxxxxx 
[mailto:program-java-bounce@xxxxxxxxxxxxx] On Behalf Of Homme, James
Sent: Friday, September 03, 2010 9:24 AM
To: program-java@xxxxxxxxxxxxx
Subject: [program-java] Re: Java: Redimensioning my existing array.

Hi Guru,
Maybe you can adapt the code about dynamic arrays on this page. It says Java 
can't really do dynamic arrays, but talks about a way to get around the 
problem. http://math.hws.edu/javanotes/c7/s3.html

Jim

Jim Homme,
Usability Services,
Phone: 412-544-1810. Skype: jim.homme
Internal recipients,  Read my accessibility 
blog<http://mysites.highmark.com/personal/lidikki/Blog/default.aspx>. Discuss 
accessibility 
here<http://collaborate.highmark.com/COP/technical/accessibility/default.aspx>. 
Accessibility Wiki: Breaking news and accessibility 
advice<http://collaborate.highmark.com/COP/technical/accessibility/Accessibility%20Wiki/Forms/AllPages.aspx>

From: program-java-bounce@xxxxxxxxxxxxx 
[mailto:program-java-bounce@xxxxxxxxxxxxx] On Behalf Of Corbett, James
Sent: Friday, September 03, 2010 9:40 AM
To: 'program-java@xxxxxxxxxxxxx'
Subject: [program-java] Java: Redimensioning my existing array.

Hello all:

I have an array of type double....

Double[][] myDoubleArray = new double[2][13];

...I now need to add an additional field.... Should I redimension the array 
like double[2][13][5] or should I invest in either an arrayList or HashMap?

Jim

James M. Corbett

Programmer / Analyst |
Canada Revenue Agency | Agence du revenue du Canada
875 Heron Rd.
Ottawa, On.
K1A0L5

James.Corbett@xxxxxxxxxxxxx
Telephone | Téléphone: (613) 941-1338
Facsimile | Télécopieur: (613) 941-2261

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