X$649$: Longest string

Given an array of Strings, return the longest String in the array. If the array is empty, return null.

Examples:

longest$(\{"$abc$","$ab$","$a$"\})$ "abc"

Your Answer:

String longest$($String$[]$ names$)$

f

if $($names$.$ length $==0)$

f

return $-1$ ;

line $5$: error: incompatible types: int cannot be converted to java.lang.String

$\}$

int max$=$ numbers $0$;

for $($int $i=1$;$i$ names. length; $i++)$

$\{$

if $($numbers $[$i$]>$max$)$

f

max$=$ numbers $i$;

$\}$

$\}$

$\}$

return max;