DeckOfCards.java

//8 Homework Part-1
//Zawaad M Shah
//zmshah16@ole.augie.edu
//DeckOfCards.java
//A DeckOfCards object represents a deck of ordinary playing cards. The top card is dealt 
//each time the method deal is called. A dealt card will not be reused until the DeckOfCards 
//is shuffled.
import java.util.Random;
public class DeckOfCards
{
      private String[] rank;
      private String[] suit;
      private int top;
      //Post:This DeckOfCards initialized to a new deck; the cards are ordered from AceSpades
      //     to KingDiamond as in a new deck; top initialized to 0.
      public DeckOfCards()
      { 
            rank=new String[52];
            suit=new String[52];
            for(int i=0;i<4;++i)
            {
                rank[0+13*i]="Ace";
                rank[1+13*i]="Two";
                rank[2+13*i]="Three";
                rank[3+13*i]="Four";
                rank[4+13*i]="Five";
                rank[5+13*i]="Six";
                rank[6+13*i]="Seven";
                rank[7+13*i]="Eight";
                rank[8+13*i]="Nine";       
                rank[9+13*i]="Ten";
                rank[10+13*i]="Jack";
                rank[11+13*i]="Queen";
                rank[12+13*i]="King";
             }
             for(int i=0;i<13;++i)
                 suit[i]="Spade";
             for(int i=13;i<26;++i)
                 suit[i]="Heart";
             for(int i=26;i<39;++i)
                 suit[i]="Club";
             for(int i=39;i<52;++i)
                 suit[i]="Diamond";
             top=0;
       }
       //Post:This DeckOfCards thoroughly shuffled; top set to 0.
       public void shuffle()
       {
             Random r=new Random();
             for(int i=0;i<1000;++i)
             { 
                 int x=r.nextInt(52);
                 int y=r.nextInt(52);
                 String temp=rank[x];
                 rank[x]=rank[y];
                 rank[y]=temp;
                 temp=suit[x];
                 suit[x]=suit[y];
                 suit[y]=temp;
             }
       }
       //Post:  Top incremented by 1.
       //Return:The top card of this DeckOfCards as a String such as "AceHeart", "TwoSpade",
       //       "TenDiamond", "KingClub", If top>=52, "NoMoreCard" is returned.
       public String deal()
       {
             String result="";
             if(top<52) result=rank[top]+suit[top];
             else result="No More Card";
             top++;
             return result;
       }
}