Dessert Island Playlist project with multiple playlists

Hi.

Here’s my solution for the Dessert Island Playlist project. To create multiple playlists I modified my code to use class constructor and I created instance methods for all operations.

import java.util.ArrayList;
import java.util.Random;

public class Playlist {

  ArrayList<String> mediaPlaylist;

  public Playlist() {
    mediaPlaylist = new ArrayList<String>();
  }

  public void addTitle(String title) {
    mediaPlaylist.add(title);
  }

  public int getSize() {
    return mediaPlaylist.size();
  }

  public void deleteTitle(String title) {
    mediaPlaylist.remove(title);
  }

  public void deleteTitle(int index) {
    mediaPlaylist.remove(index);
    System.out.println(mediaPlaylist);
  }

  public void swapTitles(String titleA, String titleB) {
    int indexA = mediaPlaylist.indexOf(titleA);
    int indexB = mediaPlaylist.indexOf(titleB);
    String tempA = mediaPlaylist.get(indexA);
    String tempB = mediaPlaylist.get(indexB);
    mediaPlaylist.set(indexA, tempB);
    mediaPlaylist.set(indexB, tempA);
    System.out.println(mediaPlaylist);
  }

  public void shuffleTitles() {
    ArrayList<String> temp = new ArrayList<String>();
    while (!mediaPlaylist.isEmpty()) {
      Random randomGenerator = new Random();
      int index = randomGenerator.nextInt(mediaPlaylist.size());
      temp.add(mediaPlaylist.get(index));
      mediaPlaylist.remove(index);
    }
    mediaPlaylist = temp;
    System.out.println(mediaPlaylist);
  }

  public static void main(String[] args) {
    // Create empty ArrayLists.
    Playlist dessertIslandPlaylist = new Playlist();
    Playlist holidayMoviePlaylist = new Playlist();

    // Populate with songs.
    dessertIslandPlaylist.addTitle("Uptown Girl");
    dessertIslandPlaylist.addTitle("Ace of Spades");
    dessertIslandPlaylist.addTitle("Aces High");
    dessertIslandPlaylist.addTitle("Barracuda");
    dessertIslandPlaylist.addTitle("The Ripper");
    dessertIslandPlaylist.addTitle("Billy Jean");
    dessertIslandPlaylist.addTitle("9 to 5");

    System.out.println(dessertIslandPlaylist.mediaPlaylist);
    System.out.println(dessertIslandPlaylist.getSize());

    // Populate with films.
    holidayMoviePlaylist.addTitle("Home Alone");
    holidayMoviePlaylist.addTitle("Rambo");
    holidayMoviePlaylist.addTitle("Ghost Busters");
    holidayMoviePlaylist.addTitle("The Goonies");
    holidayMoviePlaylist.addTitle("Die Hard");
    holidayMoviePlaylist.addTitle("The Magnificent Seven");
    holidayMoviePlaylist.addTitle("Shrek");

    System.out.println(holidayMoviePlaylist.mediaPlaylist);
    System.out.println(holidayMoviePlaylist.getSize());

    // Remove two titles from each playlist.
    dessertIslandPlaylist.deleteTitle(6);
    dessertIslandPlaylist.deleteTitle("The Ripper");
    System.out.println(dessertIslandPlaylist.mediaPlaylist);
    System.out.println(dessertIslandPlaylist.getSize());

    holidayMoviePlaylist.deleteTitle(1);
    holidayMoviePlaylist.deleteTitle("Shrek");
    System.out.println(holidayMoviePlaylist.mediaPlaylist);
    System.out.println(holidayMoviePlaylist.getSize());

    // Change the order. Swap two titles in each playlist.
    dessertIslandPlaylist.swapTitles("Uptown Girl", "Aces High");
    holidayMoviePlaylist.swapTitles("The Magnificent Seven", "Home Alone");

    // Shuffle titles in each playlist.
    dessertIslandPlaylist.shuffleTitles();
    holidayMoviePlaylist.shuffleTitles();
  }
}