QUESTION $6$

The following program displays $\_\_\_\_\_\_\_\_.$

public class Test $\{$

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

String s $=$ "Java";

StringBuilder buffer $=$ new StringBuilder$($s$)$;

change$($s$)$;

System.out.println$($s$)$;

$\}$

private static void change$($String s$)\{$

s $=$ s $+"$ and HTML$"$;

$\}$

$\}$

a$.$ and HTML

b$.$ Java

c$.$ Java and HTML

d$.$ Nothing is displayed.