Articles 2.0

import java.util.ArrayList;
import java.util.Comparator;
import java.util.List;
import java.util.Scanner;

public class Articles2Point0 {

    public static class Article {
        private String title;
        private String content;
        private String author;

        public Article (String title, String content, String author) {
            this.title = title;
            this.content = content;
            this.author = author;
        }

        public void edit (String newContent) {
            this.content = newContent;
        }

        public void changeAuthor (String author) {
            this.author = author;
        }

        public void rename (String newTitle) {
            this.title = newTitle;
        }

        @Override
        public String toString() {
            return this.title + " - " + this.content + ": " + this.author;
        }

        public String getTitle() {
            return title;
        }

        public String getContent() {
            return content;
        }

        public String getAuthor() {
            return author;
        }
    }
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        int n = Integer.parseInt(scanner.nextLine());
        List<Article> articles = new ArrayList<>(n);
        for (int i = 0; i < n; i++) {
            String [] articleData = scanner.nextLine().split(", ");

            String title = articleData[0];
            String content = articleData[1];
            String author = articleData[2];

            Article article = new Article(title, content, author);

            articles.add(article);
        }

        String type = scanner.nextLine();
        switch(type){
            case "title":
                articles.sort(Comparator.comparing(Article::getTitle));
                break;
            case "content":
                articles.sort(Comparator.comparing(Article::getContent));
                break;
            case "author":
                articles.sort(Comparator.comparing(Article::getAuthor));
                break;
        }

        articles.forEach(System.out::println);
    }
}