PARTICIPATION

$4\mathrm{.}7\mathrm{.}4$: Use a helper method that returns a value.

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ACTIVITY

Rearrange the following lines of code to produce another implementation of the boxstring method that uses a helper method for printing the horizontal lines. Put the helper method after the boxstring method. Note that the helper method, unlike boxstring, returns a value.

How to use this tool $v$

Unused

for $($int $i=1$;$in$;$i+t)$

public static void boxString$($String contents$)$

public static String repeat$($int $n,$ String $str)$

System.out.println$($repeat $(n+2,*)$;

$\}$

int $n=$ contents. length$()$;

System.out.println$("!"+$ contents $+"!")$;

$\}$

$\{$

String result $=$cdots$**$;

$\{$

return result;

BoxStringWithHelper.java

Load default template...

import java.util.Scanner;

public class BoxStringWithHelper

$\{$

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

$\{$

Scanner in $=$ new Scanner$($

System.in$)$;

String content $=$ in$.$ nextLine$()$;

boxString$($content$)$;

$\}$

$\}$

$\}$

$\}$

i

Scanner in $=$ new Scanner$($

System.in$)$; String content $=$ in$.$nextLine$()$;

boxString$($content$)$;

$\{)$ String result $={?}^{****}$;

curtam nut mnintinlanmmet$/$n$.,""11.$

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