Re: [Qexo-general] Invoking a Java Method

[Per Bothner]

Eric Safern wrote:
> Hi,
>
>         I'm trying to call a Java method, specifically
> java.util.Random.nextInt(int n),
>
> Here's some source code:
>
> $ cat q.xql
> declare namespace Random = "class:java.util.Random"
>
> let
>         $rnd := Random:nextInt(613)
>   return ($rnd)
> $
>
> Here's the error message:
> $ java -jar ~/work/kawa/kawa-1.6.99.jar --xquery ./q.xql
> Argument  to 'java.util.Random.nextInt' has wrong type
>         at gnu.expr.GenericProc.applyN(GenericProc.java:72)

nextInt is not a static method, so you have to pass an
instance of Random.  The following works:

  Random:nextInt(Random:new(), 613)
--
        --Per Bothner
address@hidden   http://www.bothner.com/per/