[hex1r0]

Java

if (creature instanceof Player && isInSameTeam((Player) creature)) {
    return true;
}
if (creature instanceof Trap && ((Trap) creature).getCreator().getObjectId().equals(getObjectId())) {
    return true;
}
if (creature instanceof Kisk && ((Kisk) creature).canBind(this)) {
    return true;
}

Scala

creature match {
 case p: Player => isInSameTeam(p)
 case t: Trap => t.getCreator().getObjectId() == getObjectId()
 case k: Kisk => k.canBind(this)
}

PS: пример из Аиона