Complete this in javaimport java. io. file; import java. io. filenotfoundexception; import java. util. arraylist; import java. util. random; import java. util. scanner; public class worddetective {/*** returns (does not print out) a string showing the words that have* been guessed and dashes for the letters of the words not yet guessed.** example* wordset: ago, now, own, wagon* guessed: true, false, true, false* returned string: ""** @param wordset the set of words to be guessed.* @param guessed which words have been guessed.* @return a string showing the state of the guesses.*/public static string show(arraylist wordset, boolean[] guessed) {return null; //todo}