Get Random 5 Cards - Java Algorithm

Java examples for Algorithm:Card

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Description

Get Random 5 Cards

Demo Code

import java.util.Arrays;
import java.util.Collections;

public class Main {

  public static void main(String[] args) {
    //from w  w w . jav a  2s . c o  m
    int n = 10;
    String[] cards = buildDeck();
      
    for (int i = 0; i < n; i ++){
      Collections.shuffle(Arrays.asList(cards));
      for(int j = 0; j < 5; j ++){
        System.out.print(cards[j] + " ");
      }
      System.out.println();
    }//end of for   
  }//end of main
  
  private static String[] buildDeck() {
    int counter = 0;
    String[] cardsValue = {"2", "3", "4", "5", "6", "7", "8", "9", "10", "J", "Q", "K", "A"};
    String[] deck = new String[52];
    
    for (int i = 0; i < cardsValue.length; i++) {
      int suits = 9830; //unicode table   
      for (int k = 0; k < 4; k++){  
        suits -= k;
        deck[counter] = cardsValue[i] + (char)suits;
        counter ++;
      }
    }//end of for
    //for (int j = 0; j < deck.length; j++) {System.out.print(deck[j] + " ");}  
    return deck;
    
  }// end of buildDeck()
}//end of class

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