Cracking the Coding Interview Chapter 7 Object-Oriented Design Problems Deck of Cards ⚠️ Call Center ⚠️ Jukebox ⚠️ Parking Lot ⚠️ Online Book Reader ⚠️ Jigsaw ⚠️ Chat Server ⚠️ Othello ⚠️ Circular Array ⚠️ Minesweeper ⚠️ File System ⚠️ Hash Table ⚠️ ⚠️ : Coming soon. Feel free to submit a PR, though!