Use the following code to answer question $5.$

class $Z$ implements Cloneable

public $Yy$;

$($public Z $($int $x)$ neu $Y(9),$

public object clone$()$ throws

$3.$ Clene is not inhteratented. $x$

abstract class X $\{$

protected int $x$;

public $x($int $x)\{$this$.x=0$; $\}/$

$\}$

Primeve paraineter. $x$

class $Y$ extends $x\{$

public int $x$ this. $x=x$;