Pai Gow Poker Online. Play Mobile Slots for Real Money. That's when they're greeted. To play Blackjack at a casino, you need to place a bet. Play Over 20 Games Free! Two cards are then dealt to the player and dealer.
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Class documentation should tell you what it is. Function documentation should tell you what it does. Variable documentation should tell you what it means. And any in-code comments should tell you why it does. This comment doesn't say what the function does. It's also contradictory to the function name - "game start up" and "start player turn" When I start up a game, I grab a deck, maybe shuffle it and give people cards.
Your IDE generates things like param and return. These are for documenting your arguments or "parameters" and your return value. Right now, you've mapped a boolean to hit and stay.
I have to read both the function name and the javadoc to figure out that false maps to hit. What happens if we add split, and double down? Then we can't be sure that false means hit anymore. For now, revising the comment to.
But in the future, I think this method will change to some PlayerAction getAction where PlayerAction is an enumeration of actions a Player could take. I have many, many, many more words for those that make games to learn. I like such exercises. However, I think that this is enough for today. I hope you get more answers and use these in your learning project to post a follow-up question.
Questions like these are fun to answer. I would make the dealer in location 0 of the players array, as this means that you can pass around your array of players, and rely on the fact that no matter how large the array is, player is the dealer. As well as this, you're duplicating data by both creating a Player user and a Dealer dealer as well as storing that in the array.
I'd just store it in the array. As a slight aside, I'd make it an ArrayList, but if you're trying to just use simple data types, I understand why not, but it's something to consider if you're planning to allow more than 1 player in the future. As well as this, moving all of your initialization logic to a single method might be a good idea. This can include your welcome text.
I know that you said that you are aware of the recursive call to main being a bad thing, but I thought I should suggest an alternative anyway. The game loop pattern , where you have a initialize then just a update , can apply here, in a simple form.
You can make Update be in a while notQuit loop, which can contain all of your logic. PlayerTurn has quite a few responsibilites, which is something that you don't really want out of a function.
I'd pass it just one player, the one who's turn that it is, and return without printing out anything other than what it needs to the score after the player has taken a card , as it shouldn't have any responsibility over reporting who won. Checking that should be under your whoWon method, and printing it should be controlled by another method. In goAgain , you're checking the boolean against null.
This is how I'd write that method:. It's functional, it works, and if you're going for simple, this is it. However, it's not very flexible, and it doesn't involve the notion of a deck, so it's possible to get 5 2s in a row. Whether you want to do that is up to you, but there's plenty of card implementations on this site that'll give you pointers. I'd possibly have a getName. I know that you've overridden toString , but that's not the first thing that I'd look for if I were using this interface.
I'd definitely make Hand an ArrayList. They get more then 2 cards in blackjack, and the cards can have different values depending on how the hand is Ace can be high or low. The rest of my issues with this class is summarised with make hand an arrayList. Resizing arrays is expensive and adding 1 element to a list is less so. Something nobody else seems to have mentioned yet: It's true that there are nine possible card values in a game of blackjack, but they're not all equally likely.
In a real deck of cards, there are thirteen ranks, four of which are worth ten points in blackjack. This will make the game a lot less fun.
The way I would handle this is to actually simulate all thirteen possible ranks with the numbers 2—13 in your random loop. Your Card class would then have a blackjackValue method that you can use for scoring purposes. Another option would be to build an array with all the possible scores and select a random element.
You'd put the value ten in this array four times, and the nine values all go in there once. This is slightly slower and more complex, but it gets you closer to a real shuffling algorithm. If you're confident your Card will never be used for anything but Blackjack, you could just call your method points , but in my experience you should never assume your classes won't be reused for something you didn't foresee. Of course there's a deeper issue with your scheme, which is that in a real game the deck has a "memory" of which cards have already been played.
This is the effect that allows card counters to gain a statistical advantage in Blackjack. I think it's reasonable to ignore this effect for a simple simulated game, but if you wanted a next step you might look up shuffling algorithms: Real Vegas casinos typically use something like six decks and reshuffle when they're roughly halfway through.
That's enough cards that your random-card approach is going to be pretty close to real most of the time. Going with the other answers, you need to create a cards class member of decks or similar to put the card information in. You need to make sure you have at least 52 unique cards Ace through to King, one of each suit to create a deck.
Home Questions Tags Users Unanswered. Text-based BlackJack game Ask Question. I am a new programmer I've been doing Java for about 7 weeks and I am of the type who wants to get it right straight away, so I wonder how this code: Compares to the common practice is structured. Is it a good structure? Is it easy to read? The JavaDoc; what could I improve? I am not including the package or imports for space reasons This code has a recursive call back to main.
And user goes always first. It returns the winner. She will hit until her hand is It will then draw and display the initial hand of two cards. Pimgd 21k 5 56 Gemtastic 1 8 Recursive Main and Design You can easily remove the recursive call to main by having main consist of the following: Does BlackJackGame represent a single hand or a set of hands?
Why does BlackJackGame need to be prompted to ask for a new game Future Features You have Card s. Blackjack in casino's has betting, of course.
That's the point of playing blackjack. Other features I can think of: I get a lot of incorrect reports that the advice given is incorrect.
This usually can be explained by the user not using the correct basic strategy for the rules selected.
I have also had many comments about the advice on a player 16, composed of 3 or more cards, against a As a rule of thumb, the player should stand in that situation. However, that is a basic strategy exception. The game only knows basic strategy. Also, please note that it is a standard blackjack rule that split aces get one card each. If one of them is a ten, it is not a blackjack, it is just 21 points.
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