java编写扑克的洗牌程序

旧城等待， 2022-05-15 09:10 156阅读 0赞

package  com.web;  
  2 ![Image 1][]  
  3 ![Image 1][]![Image 1][] public  class  Card  ![dot.gif][] \{  
  4 ![Image 1][]  
  5 ![Image 1][] private  String face;  //  A, K, Q, J, 10, ![dot.gif][] 2   
  6 ![Image 1][]  private  String suit;  //  Spade, Heart, Club, Diamond   
  7 ![Image 1][]   
  8 ![Image 1][]![Image 1][] public  Card() ![dot.gif][] \{  
  9 ![Image 1][]  
 10 ![Image 1][] \}   
 11 ![Image 1][]  
 12 ![Image 1][] // 定义一个构造函数用于初始化点数2~A的牌   
 13 ![Image 1][]![Image 1][]  public  Card(String suit, String face)  ![dot.gif][] \{  
 14 ![Image 1][] this .face  =  face;  
 15 ![Image 1][] this .suit  =  suit;  
 16 ![Image 1][] \}   
 17 ![Image 1][]  
 18 ![Image 1][] // 定义一个构造函数用于初始化大王和小王    
 19 ![Image 1][]![Image 1][]  public  Card(String suit) ![dot.gif][] \{  
 20 ![Image 1][] this .face  =  "" ;  // 如果不给face赋值的话，洗牌和切牌后的大小王前面会显示“null”    
 21 ![Image 1][]  this .suit  =  suit;  
 22 ![Image 1][] \}   
 23 ![Image 1][]  
 24 ![Image 1][]![Image 1][] protected  String getFace()  ![dot.gif][] \{  
 25 ![Image 1][] return  face;  
 26 ![Image 1][] \}   
 27 ![Image 1][]  
 28 ![Image 1][]![Image 1][] protected  String getSuit()  ![dot.gif][] \{  
 29 ![Image 1][] return  suit;  
 30 ![Image 1][] \}   
 31 ![Image 1][]  
 32 ![Image 1][]![Image 1][] public  String toString()  ![dot.gif][] \{  
 33 ![Image 1][] return  suit  \+  "  "  \+  face;  
 34 ![Image 1][] \}   
 35 ![Image 1][]  
 36 ![Image 1][]![Image 1][] public  static  void  shuffle(Card\[\] deck,  int  startIndex,  int  size,  int  splitIndex)  ![dot.gif][] \{  
 37 ![Image 1][]![Image 1][] if  (splitIndex  \*  2  >  size)  ![dot.gif][] \{  
 38 ![Image 1][] Card.swap(deck, startIndex, splitIndex, size  \-  splitIndex);  
 39 ![Image 1][] shuffle(deck, size  \-  splitIndex, splitIndex, size  \-  splitIndex);  
 40 ![Image 1][]![Image 1][] \}  else  if  (splitIndex  \*  2  <  size)  ![dot.gif][] \{  
 41 ![Image 1][] Card.swap(deck, startIndex, size  \-  splitIndex, splitIndex);  
 42 ![Image 1][] shuffle(deck, startIndex, size  \-  splitIndex, splitIndex);  
 43 ![Image 1][]![Image 1][] \}  else  ![dot.gif][] \{  
 44 ![Image 1][] Card.swap(deck, startIndex, splitIndex, splitIndex);  
 45 ![Image 1][] \}   
 46 ![Image 1][]  
 47 ![Image 1][] \}   
 48 ![Image 1][]  
 49 ![Image 1][]![Image 1][] public  static  void  swap(Card\[\] deck,  int  srcIndex,  int  dstIndex,  int  size)  ![dot.gif][] \{  
 50 ![Image 1][] String face  =  "" ;  
 51 ![Image 1][] String suit  =  "" ;  
 52 ![Image 1][]![Image 1][] for  ( int  i  =  0 ; i  <  size; i \++ )  ![dot.gif][] \{  
 53 ![Image 1][] face  =  deck\[srcIndex  \+  i\].face;  
 54 ![Image 1][] suit  =  deck\[srcIndex  \+  i\].suit;  
 55 ![Image 1][] deck\[srcIndex  \+  i\].face  =  deck\[dstIndex  \+  i\].face;  
 56 ![Image 1][] deck\[srcIndex  \+  i\].suit  =  deck\[dstIndex  \+  i\].suit;  
 57 ![Image 1][] deck\[dstIndex  \+  i\].face  =  face;  
 58 ![Image 1][] deck\[dstIndex  \+  i\].suit  =  suit;  
 59 ![Image 1][] \}   
 60 ![Image 1][] \}   
 61 ![Image 1][]  
 62 ![Image 1][]![Image 1][] public  static  void  main(String\[\] args) ![dot.gif][] \{  
 63 ![Image 1][] Card\[\] deck  =  new  Card\[ 54 \];  
 64 ![Image 1][]![Image 1][] String f\[\]  =  ![dot.gif][] \{  " A " ,  " 2 " ,  " 3 " ,  " 4 " ,  " 5 " ,  " 6 " ,  " 7 " ,  " 8 " ,  " 9 " ,  " 10 " ,  " J " ,  " Q " ,  " K "  \} ;  
 65 ![Image 1][] //  String s\[\] = \{"Spade","Heart","Club","Diamond"\};   
 66 ![Image 1][]![Image 1][]  String s\[\]  =  ![dot.gif][] \{  " 黑桃 " ,  " 红桃 " ,  " 梅花 " ,  " 方块 "  \} ;  
 67 ![Image 1][]![Image 1][] for  ( int  i  =  0 ; i  <  s.length; i \++ )  ![dot.gif][] \{  
 68 ![Image 1][]![Image 1][] for  ( int  j  =  0 ; j  <  f.length; j \++ )  ![dot.gif][] \{  
 69 ![Image 1][] deck\[i  \*  13  \+  j\]  =  new  Card(s\[i\], f\[j\]);  
 70 ![Image 1][] \}   
 71 ![Image 1][] deck\[ 52 \]  =  new  Card( " 小王 " );  
 72 ![Image 1][] deck\[ 53 \]  =  new  Card( " 大王 " );  
 73 ![Image 1][] \}   
 74 ![Image 1][] int  rnd  =  0 ;  
 75 ![Image 1][] int  numOfShuffle  =  10 ;  
 76 ![Image 1][]![Image 1][] for  ( int  i  =  0 ; i  <  numOfShuffle; i \++ )  ![dot.gif][] \{  
 77 ![Image 1][] rnd  =  ( int ) Math.abs(Math.random()  \*  52 );  
 78 ![Image 1][] Card.shuffle(deck,  0 , deck.length, rnd);  
 79 ![Image 1][] \}   
 80 ![Image 1][] //  Test   
 81 ![Image 1][]![Image 1][]  for  ( int  i  =  0 ; i  <  deck.length; i \++ )  ![dot.gif][] \{  
 82 ![Image 1][] System.out.println(deck\[i\]);  
 83 ![Image 1][] \}   
 84 ![Image 1][] \}   
 85 ![Image 1][] \}

[Image 1]: 
[dot.gif]: /images/20220515/fad799a35cd84d99a67e8fb1eeffe3f6.png