public static int firstSpace$($String str$)$

$\{$

for $($int i $=0$; i $<$ str$.$length$()$; i$++)$

$\{$

char ch $=$ str$.$charAt$($i$)$;

if $($ch $==\text{'}\text{'})$

$\{$

return i;

$\}$

$\}$

return $-1$;

$\}$

change this to have one return statement by using a boolean