Official Scrabble Player's Dictionary

importjava.io.BufferedReader;importjava.io.FileReader;importjava.io.IOException;importjava.util.ArrayList;importjava.util.List;public class WordLists {static List<String>dictionaryList = new ArrayList<String>();static List<String>arrList = new ArrayList<String>();publicWordLists(String fileName) throws IOException {String data = null;BufferedReader input = new BufferedReader(new FileReader(fileName));while((data=input.readLine()) != null) {dictionaryList.add(data);}}// This method returns an array of words of length n.public static List<String>lengthN(int n) {for(int i =0; i <dictionaryList.size(); i++) {if(dictionaryList.get(i).length() == n) {arrList.add(dictionaryList.get(i));}}System.out.println(arrList);returnarrList;}//This method returns an array of words of length n beginning with the letter firstLetterpublic static List<String>startsWith(int n, char firstLetter ) {for(int i =0; i <dictionaryList.size(); i++) {if(dictionaryList.get(i).length() == n &&dictionaryList.get(i).charAt(0) == firstLetter) {arrList.add(dictionaryList.get(i));}}System.out.println(arrList);returnarrList;}//This method returns an array of words of length n containing the letter included but not beginning with it.public static List<String>containsLetter(int n, char included) {String str = Character.toString(included);for(int i =0; i <dictionaryList.size(); i++) {if(dictionaryList.get(i).length() == n &&dictionaryList.get(i).charAt(0) != included &&dictionaryList.get(i).contains(str)) {arrList.add(dictionaryList.get(i));}}System.out.println(arrList);returnarrList;}//This method returns an array of words of length n containing at least m vowels.public static List<String>vowelHeavy(int n ,int m) {charch;for(int i=0; i <dictionaryList.size(); i++) {intcountVowel = 0;if(dictionaryList.get(i).length() == n ) {for(int j=0; j < n; j++) {ch = dictionaryList.get(i).charAt(j);if(ch == 'a' || ch == 'e' || ch == 'i' || ch == 'o' || ch == 'u') {countVowel++; }}if(countVowel == m) {arrList.add(dictionaryList.get(i));}}}System.out.println(arrList);returnarrList;}//This method returns an array of words with at least m occurrences of the letter included.public