Java Help - Re: simple IF question if (newplayer == goalkeeper) {throw

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Re: simple IF question if (newplayer == goalkeeper) {throw

Thomas Schodt

2004-10-28, 8:58 am

zcraven wrote:
> if (p2,p3,p4==Goalkeeper)
> {
> throw new IllegalArgumentException("You cannot put a goalkeeper
> in an outfield position");
> }
>
>
> I want to check that the variables p2 to p11 are of class OutfieldPlayer and
> not Goalkeeper (Both OutfieldPlayer and Goalkeeper are subtypes of abstract
> class Player). How do I write an if to check that the variables are of a
> certain class?

You should probably have a moveTo() method in Player
and override it as appropriate so
newplayer.moveTo(OUTFIELD)
would throw an exception if newplayer is an instance of Goalkeeper.

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