public function isNull(Interfaces\JavaObject $javaObject = null): bool
    {
        return $this->driver->isNull($javaObject);
    }
public function isNull(Interfaces\JavaObject $javaObject = null): bool
    {
        return $this->driver->isNull($javaObject);
    }
public function isNull ( Interfaces \ JavaObject $ javaObject = null ) : bool { return $ this -> driver -> isNull ( $ javaObject ) ; }
Whether a java internal value is null.

@throws \Soluble\Japha\Bridge\Exception\BrokenConnectionException

@param Interfaces\JavaObject|null $javaObject

@return bool
Whether a java internal value is null .