CSC300: Comparable and Comparator: Cards as Strings

file:XSortCards00.java [source] [doc-public] [doc-private]

package algs21;
import stdlib.*;

public class XSortCards00 {
  public static void show (String title, String[] d) {
    StdOut.println (title);
    for (int i=0; i<4; i++) {
      for (int j=0; j<13; j++) {
        StdOut.format ("%3s ", d[i*13+j]);
      }
      StdOut.println ();
    }
    StdOut.println ();
  }
  public static void main (String[] args) {
    String[] d =  {
        "2C", "3C", "4C", "5C", "6C", "7C", "8C", "9C", "10C", "JC", "QC", "KC", "AC",
        "2D", "3D", "4D", "5D", "6D", "7D", "8D", "9D", "10D", "JD", "QD", "KD", "AD",
        "2H", "3H", "4H", "5H", "6H", "7H", "8H", "9H", "10H", "JH", "QH", "KH", "AH",
        "2S", "3S", "4S", "5S", "6S", "7S", "8S", "9S", "10S", "JS", "QS", "KS", "AS" };
    show ("Initial", d);
    StdRandom.shuffle (d);
    show ("Shuffled", d);
    Selection.sort (d);
    show ("Sorted", d);
  }
}

Initial
 2C  3C  4C  5C  6C  7C  8C  9C 10C  JC  QC  KC  AC 
 2D  3D  4D  5D  6D  7D  8D  9D 10D  JD  QD  KD  AD 
 2H  3H  4H  5H  6H  7H  8H  9H 10H  JH  QH  KH  AH 
 2S  3S  4S  5S  6S  7S  8S  9S 10S  JS  QS  KS  AS 

Shuffled
 4S  JH  9S  3S 10C  2C  5C  4H  KC  6H  5D  8D  6C 
 KS 10H  AS  7H  AD 10D  6D  KD  5S  JS 10S  8H  7C 
 9D  3H  9H  QH  JD  QS  7S  QD  2H  2D  AC  3C  6S 
 9C  5H  4C  4D  8C  8S  JC  KH  QC  7D  3D  AH  2S 

Sorted
10C 10D 10H 10S  2C  2D  2H  2S  3C  3D  3H  3S  4C 
 4D  4H  4S  5C  5D  5H  5S  6C  6D  6H  6S  7C  7D 
 7H  7S  8C  8D  8H  8S  9C  9D  9H  9S  AC  AD  AH 
 AS  JC  JD  JH  JS  KC  KD  KH  KS  QC  QD  QH  QS