Re: How to define/use array of records (user-defined types)?

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#7478

From: Torsten Welches
Date: Thu, 21 Jun 2001 05:34

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<swett@starband.com> wrote:

>I've tried creating a new class that only has data members in 
>it (no methods), but every time I tried to access a data 
>member at run time, I get a NullPointerException error.

>ItemData[] myItemData = new ItemData[50];
>myItemData[0].Number = 575;
>myItemData[0].Description = "widget";
>myItemData[0].Cost = 29.95;

check the third paragraph, it explains why you get a 
NullPointerException:
http://java.sun.com/docs/books/tutorial/java/data/arraysOfObjects.html

Torsten

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