java纸牌程序

3.(7.30 Card Shuffling and Dealing) Modify the application of 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.] 4.(7.31Card 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.