RemixerFiller.java

package com.example.RemixerFiller;

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Scanner;

public class RemixerFiller {

    Scanner scanner = new Scanner(System.in);

    private String[] lyrics;
    private String fileName = "lyrics.txt";	// this should match your txt file

    private String[] wordsToReplace;	// for part 2, if you finish the main project
    private String[] newWords;
    private int numOfwords;



    public void remix() {
        numOfwords = scanner.nextInt();
        wordsToReplace = new String[numOfwords];
        newWords = new String[numOfwords];
        for (int i = 0; i <= numOfwords-1; i++){
            wordsToReplace[i] = scanner.next();
        }
        for (int i = 0; i <= numOfwords-1; i++){
            newWords[i] = scanner.next();
        }
        for (int i = 0; i <= lyrics.length - 1; i++){
            for (int j = 0; j <= numOfwords-1; j++){
                if (lyrics[i].equals(wordsToReplace[j])){
                    lyrics[i] = newWords[j];
                }
            }
        }
    }

    // DON'T TOUCH THE BELOW CODE //

    public RemixerFiller() {
        try {
            BufferedReader in = new BufferedReader(new FileReader(fileName));
            ArrayList<String> tempLyrics = new ArrayList<String>();
            for (String line = in.readLine(); line != null; line = in.readLine()) {

                String[] words = line.split(" ");
                for (String w : words) {
                    tempLyrics.add(w.toLowerCase().replaceAll("^[^a-zA-Z0-9\\s]+|[^a-zA-Z0-9\\s]+$", ""));
                }
                tempLyrics.add("\n");
            }
            in.close();
            lyrics = new String[tempLyrics.size()];
            for (int i = 0; i < tempLyrics.size(); i++) {
                lyrics[i] = tempLyrics.get(i);
            }


            remix();

            if (fileName.substring(fileName.length()-4).equals(".txt")) {
                fileName = fileName.substring(0, fileName.length()-4);
            }

            BufferedWriter out = new BufferedWriter(new FileWriter(fileName + "_remixed"));

            for (String s : lyrics) {
                out.write(s + (s.equals("\n") ? "" : " "));
            }
            out.close();

        } catch (FileNotFoundException e) {
            System.out.println("File not found!");
            System.exit(1);
        } catch (IOException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
    }

    public static void main(String[] args) {
        new RemixerFiller();
    }
}