Re: what am i doing wrong here?


"Andrew McDonagh" <news@xxxxxxxxxxxxxxxxxxxxx> wrote in message
news:d7rte8$cda$1@xxxxxxxxxxxxxxxxxxxxxxxx
> Jeremy Watts wrote:
>> Hi,
>>
>> I've written a Java method that uses a list to return 5 three-dimensional
>> arrays containing 'Big Decimal' entries. However I also want to return a
>> single boolean type variable, but cant seem to get the program to do
>> this.
>>
>> My method basically goes :-
>>
>> start method {
>>
>> declare arrays and variables
>> List result = new ArrayList(5)
>> ..
>> ..
>> ..
>> ..
>> REST OF METHOD
>> ..
>> ..
>> ..
>> result.add(first array)
>> result.add(second array)
>> etc
>> result.add(fifth array)
>>
>> return (result)
>>
>> end method }
>>
>>
>> This works fine for just the arrays, but if I attempt to add the line
>> 'result.add(LDMexists)' , to return the boolean variable 'LDMexists' then
>> I get the error message ' cannot resolve symbol - method add(boolean)'
>>
>> I have declared the boolean type LDMexists, so I cant see what I'm doing
>> wrong here - how do I get it to return the five arrays and the boolean
>> variable LDMexists?
>>
>> Thanks
>
> the ArrayList only allows Object references to be added, where as
> 'boolean' (Note the lowercase B) is a primitive not an object.
>
> you can change the code to...
>
> result.add(Boolean.valueOf(LDMexists));
>
> This adds a reference to the Boolean object (note the uppercase B) to the
> arraylist.
>
> http://java.sun.com/j2se/1.4.2/docs/api/java/lang/Boolean.html#valueOf(boolean)
>
> HTH
>
> Andrew

Hi Andrew,

Thanks for that, that seems to work. How would you then reference that
variable though once the procedure has been called? I cant seem to get that
bit to work now.

Thanks
Jeremy


.

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