1-Music-Organizer

Music Player

In a com.hackbulgaria.programming51.week4 package do the following:

Define a class Song where you

Have the following attributes and methods:

• name
• artist
• duration (in seconds)
• album
• proper constructors
• toString() method

Think about the types of each attribute and method. This is your job!

Define a class MusicOrganiser where you

Have the following attributes and methods:

• Vector of type Song named songs
• proper constructors
• method public void addSong(Song s) that adds a song to the music player. If addition is successful return true. If there is not enough space, return false
• method public int getCount() that returns the number of songs added to the player
• method public Vector<String> getAlbums() that returns an vector of all the different album names in the Music Organiser
• method public int getAlbumsCount() that returns the number of different album names in the Music Organiser
• method public Vector<Song> getAlbumSongs(String albumName) that returns the songs in an album
• method public Vector<String> getAlbumsAndSongs() that returns an vector of all the different album names in the Music Organiser, and the number of songs in each album concatenated in one string for each album name. Check the example below

Examples

Example for addSong()

MusicOrganiser mo = new MusicOrganiser();

mo.addSong(new Song("The real Slim Shady", "Eminem", 213, "The Marshall Mathers LP"));

System.out.println(mo);

Should print:

The real Slim Shady Eminem 213 The Marshall Mathers LP

Example for getCount()

MusicOrganiser mo = new MusicOrganiser();

mo.addSong(new Song("The real Slim Shady", "Eminem", 213, "The Marshall Mathers LP"));
mo.addSong(new Song("The Way I Am", "Eminem", 183, "The Marshall Mathers LP"));
mo.addSong(new Song("When I'm Gone", "Eminem", 256, "Curtain Call: The Hits"));
mo.addSong(new Song("Lose Yourself", "Eminem", 221, "Curtain Call: The Hits"));

System.out.println(mo.getCount());

Should print:

 4

Example for getAlbums()

MusicOrganiser mo = new MusicOrganiser();
mo.addSong(new Song("The real Slim Shady", "Eminem", 213, "The Marshall Mathers LP"));
mo.addSong(new Song("The Way I Am", "Eminem", 183, "The Marshall Mathers LP"));
mo.addSong(new Song("When I'm Gone", "Eminem", 256, "Curtain Call: The Hits"));
mo.addSong(new Song("Lose Yourself", "Eminem", 221, "Curtain Call: The Hits"));

Vector<String> albums = mo.getAlbums();

for(int i = 0; i < albums.size(); i++) {
    System.out.println(albums.get(i));
}

Should print:

The Marshall Mathers LP
Curtain Call: The Hits

Example for getAlbumsCount()

MusicOrganiser mo = new MusicOrganiser();

mo.addSong(new Song("The real Slim Shady", "Eminem", 213, "The Marshall Mathers LP"));
mo.addSong(new Song("The Way I Am", "Eminem", 183, "The Marshall Mathers LP"));
mo.addSong(new Song("When I'm Gone", "Eminem", 256, "Curtain Call: The Hits"));
mo.addSong(new Song("Lose Yourself", "Eminem", 221, "Curtain Call: The Hits"));

System.out.println(mo.getAlbumsCount());

Should print:

2

Example for getAlbumSongs()

MusicOrganiser mo = new MusicOrganiser();

mo.addSong(new Song("The real Slim Shady", "Eminem", 213, "The Marshall Mathers LP"));
mo.addSong(new Song("The Way I Am", "Eminem", 183, "The Marshall Mathers LP"));
mo.addSong(new Song("When I'm Gone", "Eminem", 256, "Curtain Call: The Hits"));
mo.addSong(new Song("Lose Yourself", "Eminem", 221, "Curtain Call: The Hits"));

Vector<Song> songs = mo.getAlbumSongs("The Marshall Mathers LP");

for(int i = 0; i < songs.size(); i++) {
    System.out.println(songs.get(i));
}

Should print:

The real Slim Shady Eminem 213 The Marshall Mathers LP
The Way I Am Eminem 183 The Marshall Mathers LP

Example for getAlbumsAndSongs()

MusicOrganiser mo = new MusicOrganiser();

mo.addSong(new Song("The real Slim Shady", "Eminem", 213, "The Marshall Mathers LP"));
mo.addSong(new Song("The Way I Am", "Eminem", 183, "The Marshall Mathers LP"));
mo.addSong(new Song("When I'm Gone", "Eminem", 256, "Curtain Call: The Hits"));
mo.addSong(new Song("Lose Yourself", "Eminem", 221, "Curtain Call: The Hits"));

Vector<String> songs = mo.getAlbumsAndSongs();

for(int i = 0; i < songs.size(); i++) {
    System.out.println(songs.get(i));
}

Should print:

The Marshall Mathers LP(2)
Curtain Call: The Hits(2)