public class Poker{ //共四種黑桃，紅心，方塊，梅花牌各13張 String Player[][] = new String[13][4]; //全部共52張牌 String Card[] = new String[52]; public static void main(String args[]){ Poker pk = new Poker(); pk.createCard(); for(int i=0; i<13; i++){ for(int j=0; j<4; j++){ pk.createdetail(i, j); } } pk.printdetail(); } //產生卡片：黑桃，紅心，方塊，梅花 void createCard(){ for (int j=0; j<52; j++){ switch (j%4){ case 1: Card[j] = "黑桃" +(j%13+1); break; case 2: Card[j] = "紅心" +(j%13+1); break; case 3: Card[j] = "方塊" +(j%13+1); break; case 0: Card[j] = "梅花" +(j%13+1); break; } } } //產生數字 void createdetail(int i, int j){ int x = 0; do{ x = (int)(Math.random()*52); }while(chk(x)); savedetail(x, i, j); } //判斷是否重覆 boolean chk(int x) { for(int i=0; i<13; i++){ for(int j=0; j<4; j++){ if (Card[x] == Player[i][j]){ return true; } } } return false; } //將值填入 void savedetail(int x, int i, int j) { Player[i][j] = Card[x]; } //列印結果 void printdetail() { for(int j=0; j<4; j++) { for(int i=0; i<13; i++) { System.out.print(Player[i][j] +"\t"); } System.out.println(); } } }