What will be printed by the given variables?

public class Worksheet$4\_1\{$

static int counter;

int timer;

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

Worksheet$4\_1$ object$1=$ new Worksheet$4\_1()$;

object$1.$setCoutner$()$;

object$1.$setTimer$(10)$;

System.out.println$("$Counter $="+$ object$1.$counter $+"\backslash$tTimer $="+$ object$1.$timer$)$;

Worksheet$4\_1$ object$2=$ new Worksheet$4\_1()$;

object$2.$ setCoutner$()$;

object$2.$ setTimer$(20)$;

System.out.println$("$Counter $="+$ object$2.$counter $+"\backslash$tTimer $="+$ object$2.$timer$)$;

$\}$

public Worksheet$4\_1()\{$

this. timer $\frac{?}{b}=ar(0)$;

this. counter $=$;

$\}$

public void setCoutner $()\{$

this. counter$++$;

$\}$

public void resetCounter$()\{$

this. counter $=0$;

$\}$

public void setTimer$($int second$)\{$

this.timer $=$ second;

$\}$

$\}$

object$1.$counter

object$1.$timer

object$2.$counter

object$2.$timer