class Foo $\{$

public int $i=44$;

public Foo$($int i$)\{$

this. $i=i$;

$\}$

$\}$

cdots

Foo $x=$ new Foo$(43),y=$ new Foo$(23)$;

$x=y$;

$y.i=6$;

System.out.println$($x$.$i$)$;