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

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

How to use this tool

Unused

$\{$

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

$\}$

result $=$ result $+$ str

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

$\{$

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

$\}$

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

return result;

$\}$

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

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

BoxStringWithHelper.java

Load d

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$)$;

$\}$

$\}$

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