import java.io.File;
import java.util.Scanner;
import java.util.ArrayList;

class Wordlist{
    ArrayList<Word> wordlist = new ArrayList<>();

    void readBok(String filnavn) throws Exception{
	File file = new File(filnavn);
	Scanner sc = new Scanner(file);
	while (sc.hasNextLine())
	    addWord(sc.nextLine());
	sc.close();
    }

    void addWord(String s){
	s = s.toLowerCase();
	Word temp = findWord(s);
	if(temp != null){
	    temp.incNB();
	    return;
	}
	wordlist.add(new Word(s));
    }

    Word findWord(String s){
	s = s.toLowerCase();
	for(int i=0; i<wordlist.size(); i++)
	    if (wordlist.get(i).tooString().equals(s))
		return wordlist.get(i);
	return null;
    }

    int countWords(){
	return wordlist.size();
    }

    int countRepetition(String s){
	Word temp = findWord(s);
	if(temp != null)
	    return temp.getNB();
	return 0;
    }

    Word mostCommon(){
	int index = 0;
	for(int i=0; i<wordlist.size(); i++)
	    if(wordlist.get(i).getNB() > wordlist.get(index).getNB())
		index = i;
	return wordlist.get(index);
    }
}