easyString ChallengeHave the function stringchall enge $($sen$)$take the sen parameter being passed andreturn the longest word in the string. If thereare two or more words that are the samelength, return the first word from the string withthat length. Ignore punctuation and assumesen Will not be empty. Words may also containnumbers, for example Hello world$123567$Once your function is working, take the finaloutput string and replace all characters thatappear in your challengeToken with $-[$CHAR$-.$Your ChallengeToken: I$3$c$21$x$4$e$7$aExamplesInput: fun& $!!$ tineOutput: tineFinal Output: tin$--$e$--$Input: "I love dogs"Output: loveJava$98101112131415161172$import java.util.;import java.io$.$;class Main fpublic static String StringChallenge $($String sen$)\{1/$ code goes herereturn sen;public static void main $($String$]$ args$)\{1/$ keep this function call hereScanners$=$ new Scanner$($System$.$in$)$;System.out. print $($StringChallenge $($s$.$nextLine$()))$; and give code in java