Bowling Game (Java)

However, as is usual for a kata, I have left out most of the explanatory comments. A kata is meant to be memorized. Students of a kata study it as a form, not as a conclusion. It is not the conclusion of the kata that matters, it's the steps that lead

[實作筆記] Bowling Kata 前言 之前有和同事試過，並且用 Pair Programming 的方式進行， 代碼髒得很快，並且進入了死胡同，即使使用 TDD 有測試保護， 還是難以重構。 原因有以下： 不夠了解規則，開發到一半才重新解析 未經足夠的設計與討論 Pairs 沒有相同 ...

Each game, or “line” of bowling, includes ten turns, or “frames” for the bowler. In each frame, the bowler gets up to two tries to knock down all the pins. If in two tries, he fails to knock them all down, his score for that frame

Read this article “Engineer Notebook: An Extreme Programming Episode” by Robert C. Martin, where he describes solving this kata together with Robert S. Koss. Follow along in your editor.

Practice the Bowling Game Kata with TDD. Learn how to implement a bowling score calculator using test-driven development techniques. Perfect for TDD beginners and intermediate developers.

我一直想要嘗試很久了，而這次選擇 Bowling Kata 做為我的第一個 Kata（因為它是 B 開頭，被排在前面哈哈）。 本文來聊聊我實作過程的心得，包含我是怎麼 implement TDD (Test Driven Design) 和其中遇到的設計難題。

This kata will help you to practise the “driving” part of Test Driven Development. By moving in small steps and reverting back when you make a bad decision, you are able to move forward more confidently, knowing that your previous tests make i