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| Integer getSongLength( | |
| Artist artist, | |
| String albumName, | |
| String songName) { | |
| Album album = artist.getAlbum(albumName); | |
| if (album != null) { | |
| Song song = album.getSong(songName); | |
| if (song != null) { | |
| return song.getLength(); | |
| } else { | |
| return null; | |
| } | |
| } else { | |
| return null; | |
| } | |
| } |
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