Java纸牌小demo以及日历小demo
//卡牌类 public class Card { //定义卡牌的点数 public static final String[] cardName = { "3", "4", "5", "6", "7", "8", "9", "10", "J", "Q", "K", "A", "2" }; //定义卡牌的花色 public static final String[] flowerColor = { "♠", "♥", "♣", "♦" }; private int number;// 表示卡牌点数的下标 0-12; private int color; public Card(int number, int color) { this.number = number; this.color = color; } public int getNumber() { return number; } public int getColor() { return color; } // 显示牌的内容 public String getCard() { return flowerColor[color] + cardName[number]; } }
import java.util.Random;
//游戏类 public class Game { //定义牌的张数 private Card[] cards = new Card[52]; public Game() { // 1. 创建牌 for (int i = 0; i < 4; i++) { for (int j = 0; j < 13; j++) { cards[i * 13 + j] = new Card(j, i); } } } //显示卡牌 public void showCards() { for (int i = 0; i < cards.length; i++) { System.out.print(cards[i].getCard() + " " + (i % 13 == 12 ? "\n" : ",")); } } public Card[][] deal() { Card[][] cardss = new Card[4][13]; for (int i = 0; i < 52; i++) { // 二维数组使用一维角标 cardss[i / 13][i % 13] = cards[i]; } return cardss; } public void shuffle() {
// List<Card> list = Arrays.asList(cards); // Collections.shuffle(list); // list.toArray(cards); // for (int i = 0; i < cards.length; i++) { // System.out.print(cards[i].getCard() + " " // + (i % 13 == 12 ? "\n" : ",")); // }
//2.排序 随机两两交换。 Random random = new Random(); for (int i = 0; i < cards.length; i++) { int index = random.nextInt(52); if (i != index) { Card temp = cards[i]; cards[i] = cards[index]; cards[index] = temp; } } } }
import java.util.Arrays; import java.util.Comparator; //玩家类 public class Player { private Card[] cards = new Card[13]; private String name; public Player(String name, Card[] cards) { this.name = name; this.cards = cards; } public void showCard() { System.out.print("玩家" + name + "："); for (int i = 0; i < cards.length; i++) { System.out.print(cards[i].getCard() + ","); } } // 排序 public void sort() { Arrays.sort(cards, new Comparator<Card>() { @Override public int compare(Card o1, Card o2) { return o1.getNumber() - o2.getNumber(); } }); } }
public class Work { public static void main(String[] args) { // 1. 定义纸牌类 分别为A 2-10 J Q K 花色为♠♥♦♣ 大王小王 // 定义游戏类，其中有一副扑克，共52张牌 随机洗牌 // 定义玩家类，每个玩家可以发到13张牌。创建4个玩家对象，打印他们手中的牌 Game game = new Game(); game.showCards(); game.shuffle(); System.out.println(); game.showCards(); Card[][] cardss = game.deal(); Player[] players = new Player[4]; for (int i = 0; i < 4; i++) { players[i] = new Player("玩家" + i, cardss[i]); players[i].sort(); } for (int i = 0; i < players.length; i++) { players[i].showCard(); System.out.println(); } } }
--石头剪刀布，三局两胜制
//玩家类 public class Player { private String name; public Player(String name) { this.name = name; } public static final int BU = 1; public static final int QUAN = 2; public static final int JIANDAO = 3; //随机出剪刀石头布 public int chuQuan() { return (int) (Math.random() * 2 + 1); } public String getName() { return name; } }
//裁判类 public class Referee { // 记录胜负 private String[] win = new String[3]; private int number = 0; // 裁判胜负 public boolean judge(Player a, Player b) { int comeA = a.chuQuan(); int comeB = b.chuQuan(); int result = isWin(comeA, comeB); switch (result) { case 0: System.out.println("平手"); break; case 1: // alt+shift+m showWin(a); break; case -1: showWin(b); break; } // 结束 if (number == 3) return true; else if (number == 2 && win[0].equals(win[1])) return true; else return false; } private void showWin(Player a) { System.out.println(a.getName() + "获胜"); win[number] = a.getName(); number++; } // 0 平手 // 1 comeA 胜利 // -1 comeA 失败 private int isWin(int comeA, int comeB) { if (comeA == comeB) { return 0; } switch (comeA) { case Player.BU: if (comeB == Player.JIANDAO) return -1; else return 1; case Player.JIANDAO: if (comeB == Player.QUAN) return -1; else return 1; case Player.QUAN: if (comeB == Player.BU) return -1; else { return 1; } } return 0; } }
public class Test { public static void main(String[] args) { Referee referee = new Referee(); Player playerA = new Player("张三"); Player playerB = new Player("李四"); System.out.println("游戏开始:"); while (!referee.judge(playerA, playerB)) { try { Thread.sleep(1000); } catch (InterruptedException e) { e.printStackTrace(); } System.out.println("开始下一局"); } } }
--打印日历
import java.util.Calendar; //日历类 public class Solar { private int year, month, day; Calendar calendar = Calendar.getInstance(); public Solar(int year, int month, int day) { this.year = year; this.month = month; this.day = day; } public void showCal() { // 填充方法 System.out.println("*******" + year + "-" + month + "*******"); System.out.println("周日\t周一\t周二\t周三\t周四\t周五\t周六"); // 上月的最后几天 int upMonth = upMonthLastDay(month);// 31 4 28 int week = monthOneDayOfWeek(); int monthLength = upMonthLastDay(month + 1); for (int i = 0; i < 6; i++) { for (int j = 0; j < 7; j++) { if (i * 7 + j < week) { // 抬头 int upMothValue = upMonth - week + 1 + j; System.out.print(upMothValue + "\t"); } else { int monthValue = i * 7 + j - week + 1; if (monthValue <= monthLength) { // 正文 System.out.print(monthValue + "\t"); } else { // 尾部 System.out.print((monthValue - monthLength) + "\t"); } } } System.out.println(); } } // 这个月的第一天是周几 private int monthOneDayOfWeek() { // set用来修改日历 calendar.set(year, month - 1, 1); int week = calendar.get(Calendar.DAY_OF_WEEK); return week - 1; } // 上一月有多少天 private int upMonthLastDay(int month) { if (month == 1) { return 31; } else if (month == 3) { if (year % 4 == 0 && year % 100 != 0 || year % 400 == 0) return 29; else { return 28; } } else if (month == 2 || month == 4 || month == 6 || month == 8 || month == 9 || month == 11) return 31; else return 30; } }
import java.util.Scanner; public class Test { public static void main(String[] args) { // System.out.println("请输入需要查询的年月日 格式1970-01-01"); // Scanner input = new Scanner(System.in); // String str = input.next(); // String[] array = str.split("-"); // // 转换int 包装类 // int year = Integer.parseInt(array[0]); // int month = Integer.parseInt(array[1]); // int day = Integer.parseInt(array[2]); for (int i = 1; i < 13; i++) { Solar solar = new Solar(2017, i, 1); solar.showCal(); System.out.println(); } } }
