Nasty Old Dog: Blackjack Almost a Real Game

I need to use the Scanner class to get user input there is no System.in.getLine

I defined uinp to be a scanner for System.in

I replaced the System.in.getLine's with uinp.nextLine()

The String userinp doesn't need a constructor just " "

There is no toInt in the Integer class use getInteger instead

import java.util.Scanner;

public class CardDeck {

int deck[] = new int[52];

String faceVal = "A23456789TJQK";

String suit = "HDSC";

public CardDeck() {

for (int i = 0; i < 52; i++) {

deck[i] = i;

}

}

void shuffle() {

int rindex;

int swap;

for (int i = 0; i < 52; i++) {

// each time through the loop there are less numbers to randomize

// 52 - i to be exact. But then everything from 0 to i-1 has already

// been selected at random so add i to the random number to get the

// appropriate index

rindex = (int) ((Math.random() * ((double) (52 - i))) + i);

swap = deck[i];

deck[i] = deck[rindex];

deck[rindex] = swap;

}

}

public String getCardText(int crd) {

int card_val = crd % 13;

int card_suit = crd % 4;

return this.faceVal.substring(card_val, card_val + 1)

+ this.suit.substring(card_suit, card_suit + 1);

//return this.faceVal.substring(card_val, card_val+1).concat(

//this.suit.substring(card_suit, card_suit+1));

}

void display() {

int card_val;

int card_suit;

for (int i = 0; i < 52; i++) {

//card_val = deck[i]%13;

//card_suit = deck[i]%4;

System.out.print(this.getCardText(deck[i]) + " ");

}

System.out.println();

}

int playerHand[] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};

int dealerHand[] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};

int dcards = 0; // the number of cards in the dealer hand so far

int pcards = 0; // the number of cards in the player hand so far

int deckidx = 0; // the location of the next card to be dealt

public int deal() {

if (this.deckidx < 52) {

return this.deck[this.deckidx++]; // return the top card and increment to the next card

} else {

return this.deck[this.deckidx - 1];

}

}

public void dealPlayer() {

this.playerHand[pcards] = deal();

this.pcards++;

}

public void dealDealer() {

this.dealerHand[dcards] = deal();

this.dcards++;

}

public void displayHands() {

System.out.println("Player Hand ");

for (int i = 0; i < this.pcards; i++) {

System.out.print(this.getCardText(this.playerHand[i]) + " ");

}

System.out.println();

System.out.println("Dealer Hand: ");

for (int j = 0; j < this.dcards; j++) {

System.out.print(this.getCardText(this.dealerHand[j]) + " ");

}

System.out.println();

System.out.println();

}

public static void main(String[] args) {

CardDeck card = new CardDeck();

card.display();

card.shuffle();

card.display();

card.dealPlayer();

card.dealDealer();

card.dealPlayer();

card.dealDealer();

card.displayHands();

// Start game intialize bankroll to 500

// Start game loop on bet means quit

// CardDeck card = new CardDeck();

String user_inp = " ";

int bankroll = 1000;

int bet = 0; // if the user bets 0 quit the game loop

// Need a Scanner for user input

Scanner uinp = new Scanner(System.in);

// game loop just loop forever

while (true) {

// Tell the user the amount of the bank roll

System.out.println("Bankroll = " + bankroll);

// get bet

System.out.print("Enter the amount you want to bet: ");

user_inp = uinp.nextLine();

bet = Integer.getInteger(user_inp);

// bet == 0 is the signal to quit loop and end program

if (bet == 0) {

break;

}

card.shuffle();

card.dealPlayer();

card.dealDealer();

card.dealPlayer();

card.dealDealer();

card.displayHands();

// Need a loop to handle HIT or STAND commands

while (true) {

System.out.print("Player Hand hit or stand? ");

user_inp = uinp.nextLine();

if (user_inp.equals("HIT")) {

card.dealPlayer();

card.displayHands();

} else if (user_inp.equals("STAND")) {

break;

} else {

// If we end up here it's because of a typo or wiseguy

// print error response and go back to looping

System.out.println("I don't understand: " + user_inp);

}

}

// Manually control dealer hand the same way

// We will swap this out for code that will run the dealer rules

// automatically

while (true) {

System.out.print("Dealer Hand hit or stand? ");

user_inp = uinp.nextLine();

if (user_inp.equals("HIT")) {

card.dealDealer();

card.displayHands();

} else if (user_inp.equals("STAND")) {

break;

} else {

// If we end up here it's because of a typo or wiseguy

// print error response and go back to looping

System.out.println("I don't understand: " + user_inp);

}

}

// Code to score the game and settle the bet will go here

}

}

}