$-$What is the output of this program:

public class mainclass $\{$

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

$\{$

boolean var$1=$ true;

boolean var$2=$ false;

if $($var$1)$

System.out.printIn$($var$1)$;

else

System.out.println$($var$2)$;

$\}$

$\}$

$1$ or $0$

None of them

true

false

$0$