Specify the output of the program.

public class TestRun

$\{$

public static void test$($int x$)$

$\{$

x $=$ x $+7$;

System.out.print$($x$)$;

$\}$

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

$\{$

int x $=2$;

System.out.print$($x$)$;

test$($x$)$;

System.out.print$($x$)$;

$\}$

$\}$

Output of the program:?