Modifier, ArrayList, Garbage Collection

import java.util.ArrayList;

class Stuff $\{$

private int $x$;

public void setx$($int $y$

$x=y$;

$\}$

public int getx$()\{$

return $x$;

$\}$

$\}$

class Main $\{$

public static void main$($String$[]$ args$)\{$

ArrayList $$ Stuff $>$ myNumbers $=$ new ArrayList $$ Stuff $>()$;

for$($int $i=0$;$i<mn\; id="EditorElement\_12975664">5</mn>$;$i++)\{$

Stuff myStuff $=$ new Stuff$()$;

myStuff.setx$($i$*10)$;

myNumbers.add$($myStuff$)$;

$\}$

System.out.printIn$($myNumbers$.$get$(2).$getx$())$;

$\}$

$\}$