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package card;
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import java.util.Hashtable;
public class Card {
/**
* 0:方块 3：黑桃 4：王
*/
public static final int DIAMODE=0;
/**1：梅花*/
public static final int CLUB=1;
/**2:红桃*/
public static final int HEART=2;
/**3:黑桃*/
public static final int SPADE=3;
/**4:王*/
static final int WANG=4;
/**0:方块 3：黑桃 4：王*/
private static String[] SUIT_NAMES=new String[]{"方块","梅花","红桃","黑桃","王"};
public static final int THREE=0;
public static final int FOUR=1;
public static final int FIVE=2;
public static final int SIX=3;
public static final int SEVEN=4;
public static final int EIGHT=5;
public static final int NINE=6;
public static final int TEN=7;
public static final int JACK=8;
public static final int QUEEN=9;
public static final int KING=10;
public static final int ACE=11;
public static final int DUCK=12;
public static final int BALCK=13;
public static final int COLOR=14;
public static String[] RANK_NAMES=new String[]{"3","4","5","6","7"
,"8","9","10","J","Q","K","A","2","小","大"};
private int suit,rank;
// private static class Entry{
// private String name;
// private int value;
// public Entry(String name,int value) {
// this.name=name;
// this.value=value;
// }
// public int getValue() {
// return value;
// }
// public void setValue(int value) {
// this.value = value;
// }
// @SuppressWarnings("unused")
// public String getName() {
// return name;
// }
// @SuppressWarnings("unused")
// public void setName(String name) {
// this.name = name;
// }
// }
//public static Entry[] table = new Entry[120];
static HashtableString, Integer table = new HashtableString,Integer();
static{
for (int i = 0; i SUIT_NAMES.length; i++) {
// Entry entry = new Entry(SUIT_NAMES[i],i);
// table[SUIT_NAMES[i].hashCode()%120]=entry;
table.put(SUIT_NAMES[i], i);
}
for (int i = 0; i RANK_NAMES.length; i++) {
//Entry entry = new Entry(RANK_NAMES[i],i);
//table[RANK_NAMES[i].hashCode()%120]=entry;
table.put(RANK_NAMES[i], i);
}
}
public int getSuit() {
return suit;
}
public void setSuit(int suit) {
this.suit = suit;
}
public int getRank() {
return rank;
}
public void setRank(int rank) {
this.rank = rank;
}
public Card(int suit,int rank) {
setSuit(suit);
setRank(rank);
}
public Card(String strName){
String suitName;
String rankName;
if(strName.endsWith("王")){
suitName=strName.substring(1);
rankName=strName.substring(0,1);
}else{
suitName=strName.substring(0,2);
rankName=strName.substring(2);
}
setSuit(findSuit(suitName));
setRank(findRank(rankName));
}
private int findSuit(String suitName) {
//return table[suitName.hashCode()%120].getValue();
return table.get(suitName);
}
private int findRank(String rankName) {
return table.get(rankName);
}
@Override
public String toString() {
if(suit==Card.WANG)
return RANK_NAMES[rank]+SUIT_NAMES[suit];
return SUIT_NAMES[suit]+RANK_NAMES[rank];
}
@Override
public boolean equals(Object obj) {
if(obj==null)
return false;
if(obj==this)
return true;
if(obj instanceof Card){
Card other=(Card)obj;
return other.rank==rank other.suit==suit;
}
return false;
}
@Override
public int hashCode() {
return rank*10+suit;
}
}
/*************************************************************************************/
package card;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Iterator;
import java.util.List;
public class CardDemo {
/**
* @param args
*/
public static void main(String[] args) {
// Card c=new Card(Card.HEART,Card.THREE);
// System.out.println(c.toString());
// c=new Card("黑桃A");
// System.out.println(c.toString());
ListCard cards = new ArrayListCard();
for (int i = 0; i = Card.DUCK; i++) {
for (int j = 0; j = Card.SPADE; j++) {
cards.add(new Card(j, i));
}
}
cards.add(new Card("小王"));
cards.add(new Card("大王"));
// Random r = new Random();
// for (int i =1; i cards.size(); i++) {
// int j=r.nextInt(i);
// Card temp=cards.get(i);
// cards.set(i, cards.get(j));
// cards.set(j, temp);
// }
Collections.shuffle(cards);
System.out.println(cards.toString());
Player[] players = new Player[3];
players[0] = new Player(0, "萧炎");
players[1] = new Player(1, "罗峰");
players[2] = new Player(2, "小胖");
// for (int i = 0; i cards.size();i++) {
// players[i%players.length].add(cards.get(i));
// }
// for (int i = 0; i players.length; i++) {
// System.out.println(players[i].toString());
// }
IteratorCard ite = cards.iterator();
int c=0;
while(ite.hasNext()){
players[(c++)%players.length].add(ite.next());
ite.remove();
}
for (int i = 0; i players.length; i++) {
System.out.println(players[i]);
}
}
}
import java.util.*;
public class Main {
public static void main(String[] args) {
Scanner scanner = new Scanner(System.in);
ListString list = new ArrayListString();
while (scanner.hasNextLine()) {
String string = scanner.nextLine();
list.add(string);
if (list.size() == 5) {
int r = getCard(list);
System.out.println(r);
list.clear();
}
}
}
private static int getCard(ListString list) {
int temp = 7;
int size = list.size();
ListString numList = new ArrayListString();
SetString numSet = new TreeSetString();
ListString colourList = new ArrayListString();
SetString colourSet = new TreeSetString();
for (int i = 0; i list.size(); i++) {
String num = list.get(i).split(" ")[0];
String colour = list.get(i).split(" ")[1];
if (num.equals("J")) {
numList.add("11");
numSet.add("11");
} else if (num.equals("Q")) {
numList.add("12");
numSet.add("12");
} else if (num.equals("K")) {
numList.add("13");
numSet.add("13");
} else if (num.equals("A")) {
numList.add("14");
numSet.add("14");
} else {
numList.add(num);
numSet.add(num);
}
colourList.add(colour);
colourSet.add(colour);
}
// 同花顺,或者同花
if (colourSet.size() == 1) {
Collections.sort(numList);
for (int i = 0; i numList.size() - 1; i++) {
if (Integer.parseInt(numList.get(i + 1)) - Integer.parseInt(numList.get(i)) == 1) {
if (i == numList.size() - 2) {
temp = 1;
}
continue;
} else {
if (temp 4) {
temp = 4;
}
}
}
}
// 四条或者葫芦
if (numSet.size() == 2) {
Collections.sort(numList);
// 四条
if (!numList.get(0).equals(numList.get(1)) || !numList.get(size - 1).equals(numList.get(size - 2))) {
if (temp 2) {
temp = 2;
}
} else {
if (temp 3) {
temp = 3;
}
}
}
// 三条
if (numSet.size() == 3) {
if (temp 6) {
temp = 6;
}
}
// 顺子
if (colourSet.size() 1) {
Collections.sort(numList);
for (int i = 0; i numList.size() - 1; i++) {
if (Integer.parseInt(numList.get(i + 1)) - Integer.parseInt(numList.get(i)) == 1) {
if (i == numList.size() - 2) {
if(temp5){
temp = 5;
}
}
} else {
break;
}
}
}
return temp;
}
}
扑克牌有两个属性,花色和牌面大小,可以分别比较花色和牌面大小是否递增或递减来确定是不是同花顺.但是由于扑克牌会有JQKA,所以牌面大小最好以数组或者字符串的方式实现,通过比较下标来比较大小,以下是大概的代码
public class PuKe {
private String color;
private String num;
public String getColor() {
return color;
}
public void setColor(String color) {
this.color = color;
}
public String getNum() {
return num;
}
public void setNum(String num) {
this.num = num;
}
public PuKe(String color, String num) {
super();
this.color = color;
this.num = num;
}
public static void main(String[] args) {
ListPuKecard = new ArrayListPuKe();
card.add(new PuKe("black", "2"));
card.add(new PuKe("black", "3"));
card.add(new PuKe("black", "4"));
card.add(new PuKe("black", "5"));
card.add(new PuKe("black", "6"));
//这里因为10是两位数且牌面里面用不到1,所以直接用1代替10
String check = "234567891JQKA";
boolean flage =true;
//自定义比较器,用num在check里的下标大小作为比较依据排序
Collections.sort(card, new ComparatorObject() {
@Override
public int compare(Object o1, Object o2) {
PuKe er1 = (PuKe) o1;
PuKe er2 = (PuKe) o2;
Integer org1 = (int)(er1.getNum() == null ? 0.0 : check.indexOf(er1.getNum()));
Integer org2 = (int)(er1.getNum() == null ? 0.0 : check.indexOf(er2.getNum()));
return org1.compareTo(org2);
}
});
for (int i = 0; i card.size()-1; i++) {
//遍历所有的牌,如果颜色不一样直接跳出循环,不是同花顺
if(!card.get(i).getColor().equals(card.get(i+1).getColor())){
flage =false;
break;
}
//如果上一张减去下一张的差值不是1,说明牌面不是顺子,也不是同花顺,跳出循环
if((int)check.indexOf(card.get(i+1).getNum())-(int)check.indexOf(card.get(i).getNum())!=1){
flage = false;
break;
}
}
if(flage){
System.out.println("牌面是同花顺");
}else{
System.out.println("牌面不是同花顺");
}
}
}
不过这种方法唯一不好的地方是check中不能直接用10,将来展示的时候需要判定,展示的是1时直接改成10.
其实实现方法很多,我这么写是因为最近在复习,这么写用到的知识点相对会多一点.