title: 20240217-jukebox-ood date: 2024-02-17 tags:
- object_oriented_design updated: 2024-02-17 up:
- "[[ood]]"
Question
使用object-oriented principles設計jukebox musical（點唱機）
Solution
- 問interviewer釐清設計限制
- 播放CD/錄影/MP3？
- 在PC/實體點唱機？
- 假設
- for example 電腦模擬，要接近實體點唱機
- basic component
- Jukebox
- CD
- Song
- Artist
- Playlist
- Display
- breakdown to find possible actions
- Playlist creation（add/delete/shuffle)
- CD selector
- Song selector
- Queuing up a song
- get next song from playlist
- 使用者可以：
- add
- delete
- credit infomation