How does using findMax$()$ improve the code?

public static int findMax$($int val$1,$ int val$2)\{$

int max;

if $($val$1>$ val$2)\{$

max$=$ val$1$;

$\}$

else$\{$

max$=$val$2$

$\}$

return max;

$\}$

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

int max$1$;

int max$2$;

int max$3$;

max$1=$findMax$(15,7)$;

max$2=$findMax$(100,101)$;

max$3=$findMax$(20,30)$;

$\}$

Using findMax$()$ makes main$()$ run faster

Using findMax$()$ decreases redundant code

Using findMax$()$ reduces the number of variables

Using findMax$()$ does not improve the code