Program To Create a Feed Reader Using Java Programming Language Assignment Solutions.

import java.io.BufferedReader;

import java.io.FileReader;

import java.io.IOException;

import algorithmsandconstructs.FeedFactoryInterface;

import algorithmsandconstructs.FeedInterface;

import algorithmsandconstructs.FeedItem;

// This line will give you an error until you create the needed class.

import algorithmsandconstructs.FeedFactory;

public class FeedReader {

    public static void main(String[] args) throws IOException {

        // This will produce an error until you create your own class

        // FeedFactory and fix the import at line 7

        FeedFactoryInterface factory = new FeedFactory();

        String file = "test.rss";

        BufferedReader in = new BufferedReader(new FileReader(file));

        FeedInterface feed = factory.createFeed(in);

        feed.addItem(new FeedItem("THE END OF THE WORLD", "It hasn't happened yet"));

        System.out.println("=== News titles ===");

        for (String title : feed.listTitles()) {

            System.out.println(title);

        }

        System.out.println("=== Item with title NEW PANDEMIC ===");

        System.out.println(feed.getItem("NEW PANDEMIC"));

        System.out.println("=== Number of items ===");

        System.out.println(feed.numItems());

        System.out.println("=== News with the word covid in them ===");

        for (FeedItem item : feed.findItems("covid")) {

            System.out.println(item);

        }

    }

}