Re: null value

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#8773

From: Torsten Welches
Date: Sat, 03 Mar 2001 08:33

37 lines
1563 bytes

oops, I hit the Send button too soon:

>Simply check for the value zero:

if (RMBSum==0) {
...
}

Torsten

Torsten Welches schrieb in Nachricht <3aa0ac15$1_2@dnews>...
>Stephen,
>
>int is a primitive datatype, not a class. Only class types (references) can
>have the special value null which is meant to be a "reference to nothing".
>Simply check for the value zero:
>
>stephen schrieb in Nachricht <3aa09b70_2@dnews>...
>>How to get a int value and how to check if it is null?
>>
>>int RMBSum=Integer.parseInt(getParameter("RMBSum"));
>>
>>if ((RMBSum==null) && (RMBSum.intValue()==0))
>>   System.out.println("RMBSum null");
>>else
>>   System.out.println(RMBSum);
>>
>>Thanks
>>Stephen
>>
>>
>>
>>
>>
>>
>
>

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From: "Torsten Welches" <torsten.welches@who.cares.netcologne.de>
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Subject: Re: null value
Date: Sat, 3 Mar 2001 09:33:15 +0100
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