什麼叫作「完整版」題目？#

在此篇文章中出現的內容為中興大學物件導向程式設計課派發的 Assignment Ch07 作業。

原本照理講打開 iLearning 3.0 就該看到「完整」的題目了，但此次作業的題目中常出現 Fig6.8 這類的字樣，卻沒見到圖片本身，需要自行去原文參考書或者查閱上課的 PDF 檔。

本篇文章會把作業的題幹和圖檔一併附上，方便查閱。

7.18 (Game of Craps)#

Write an application that runs 1,000,000 games of craps (Fig. 6.8) and answers the following questions:

• a) How many games are won on the first roll, second roll, …,twentieth roll and after the twentieth roll?

• b) How many games are lost on the first roll, second roll, …,twentieth roll and after the twentieth roll?

• c) What are the chances of winning at craps? [Note: You should discover that craps is one of the fairest casino games. What do you suppose this means?]

• d) What is the average length of a game of craps?

• e) Do the chances of winning improve with the length of the game?

Fig.6.8

7.30 (Card Shuffling and Dealing)#

Modify Fig. 7.11 to deal a five-card poker hand. Then modify class DeckOfCards of Fig. 7.10 to include methods that determine whether a hand contains:

• a) a pair
• b) two pairs
• c) three of a kind (e.g., three jacks)
• d) four of a kind (e.g., four aces)
• e) a flush (i.e., all five cards of the same suit)
• f) a straight (i.e., five cards of consecutive face values)
• g) a full house (i.e., two cards of one face value and three cards of another face value)

[Hint: Add methods getFace and getSuit to class Card of Fig. 7.9.]

Fig.7.11

Fig.7.10

Fig.7.9

7.31 (Card Shuffling and Dealing)#

Use the methods developed in Exercise 7.30 to write an application that deals two five-card poker hands, evaluates each hand and determines which is better.