Playlist Program

This Java program is designed to practice working with ArrayList and basic Java functionality such as arrays, loops, and data manipulation. The program simulates creating a playlist of favorite songs and then refining it to a "Desert Island Playlist" — a smaller list of must-have songs.

Features

• Create an array of favorite songs
• Print individual songs from the array
• Add songs to an ArrayList
• Remove specific songs from the playlist
• Swap songs within the playlist using the set() method
• Practice the use of the size(), remove(), and indexOf() methods for ArrayList

How It Works

1. Favorite Songs Array: The program begins by creating a String[] array of favorite songs. It prints a few of the songs from this array.

2. Desert Island Playlist: An ArrayList called desertIslandPlaylist is created, initially populated with a few songs. Then, songs from the favoriteSongs array are added to this playlist using addAll().

3. Modifying the Playlist: Several songs are removed from the playlist using the remove() method to simulate reducing the playlist for a desert island scenario.

4. Swapping Songs: Finally, the program demonstrates how to swap two songs by finding their indices with indexOf() and using set() to replace the songs in the playlist.