in java

What will the following program display?

public class Checkpoint

$\{$

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

$\{$

int num $=0$;

showMe$($num$)$

$\}$

public static void showMe$($int arg$)$

$\{$

System.out.println$($arg$)$;

if $($arg $<10)$

showMe$($arg $+1)$

$\}$

$\}$ava