valuate the following code to determine the output.

class Foo $\{$

public int i $=66$;

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

this.i $=$ i;

$\}$

$\}$

$...$

Foo x $=$ new Foo$(62),$ y $=$ new Foo$(21)$;

y $=$ x;

y$.$i $=25$;

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