HashMap_Homework

package Hashing;

import java.util.*;

public class HashMap_Homework {

    public static void pushSongsAndArtists(HashMap data ){
        data.put("Artist1" , "song1");
        data.put("Artist2" , "song2");
        data.put("Artist3" , "song3");
        data.put("Artist4" , "song4");
        data.put("Artist5" , "song5");
        data.put("Artist6" , "song6");
        data.put("Artist7" , "song7");
        data.put("Artist8" , "song8");
        data.put("Artist9" , "song9");
    }

    public static void main(String[] args) {
        //CREATING DATA...
        HashMap<String, String> songsAndArtists = new HashMap<String, String>();

        //push all songs and artists into it
        pushSongsAndArtists(songsAndArtists);

        //CREATING DIALOG WITH USER
        songsAndArtists.get("song1");
        Scanner scanner = new Scanner(System.in);
        System.out.println("Enter artist or song for searching (to cancel type END): ");
        String actorOrSong = scanner.nextLine();


        while(!actorOrSong.equals("END")){
            if(songsAndArtists.containsKey(actorOrSong)){
                System.out.printf("Song [%s] is by %s%n" , songsAndArtists.get(actorOrSong) , actorOrSong);
            }else if(songsAndArtists.containsValue(actorOrSong)){
                for (Map.Entry< String, String> items : songsAndArtists.entrySet()){
                    if(items.getValue().equals(actorOrSong)){
                        System.out.printf("Artist [%s] sings %s%n" , items.getKey() , actorOrSong);
                    }
                }

            }

            System.out.print("Enter another song or actor : ");
            actorOrSong = scanner.next();

        }

        System.out.println("Goodbye!");

    }//end of main

}//end of class