我在自己创建的二十一点游戏上工作，我希望它是面向对象的。
我第一次编码它时没有考虑到这一点，但我希望它被分成不同的类。我相信我需要将方法放在各种类中并适当地命名它们。问题是我该怎么做？
我认为这就像在每个方法前面都加上“public”一样简单，但它没有奏效。
我该怎么做呢？
如果你想要我的源代码，这里是：
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
namespace blackJack
{
/// <summary>
/// 'playerCards' will store the player's cards. The maximum of cards a player can hold is 11.
/// 'hitOrStand' asks the player if they want to hit or stand.
///
/// 'score' cardCounts the player's score for that round.
/// 'cardCount' increases so that the player can hold multiple cards in their hand.
/// 'scoreDealer' cardCounts the dealer's score for that round.
///
/// 'newCard' works to randomize the player's cards.
/// </summary>
class Program
{
static Random newCard = new Random();
static int score = 0, cardCount = 1, scoreDealer = 0;
static string[] playerCards = new string[11];
static string hitOrStand = "";
/// <summary>
/// MAIN METHOD
///
/// The Main method starts the game by executing 'Start()'
/// </summary>
static void Main(string[] args)
{
Start();
}
/// <summary>
/// START METHOD
///
/// The Start method lets the player know that they are playing Blackjack.
/// Then it deals the player two cards (because in Blackjack, you start with two cards).
/// It tells the player what their score score is at that moment.
/// Finally, it asks the player if they want to hit (continue and get a new card), or stand (stop) through the Game() method (which lies below this).
/// </summary>
static void Start()
{
scoreDealer = newCard.Next(15, 22);
playerCards[0] = Deal();
playerCards[1] = Deal();
do
{
Console.WriteLine("Welcome! The dealer gives you " + playerCards[0] + " and " + playerCards[1] + ". \nScore: " + score + ".\nWould you like to hit or stand?");
hitOrStand = Console.ReadLine().ToLower();
} while (!hitOrStand.Equals("hit") && !hitOrStand.Equals("stand"));
Game();
}
/// <summary>
/// GAME METHOD
///
/// The Game method checks if the player did hit or if the player did stand.
/// If the player did hit, that method (the Hit method) is executed.
/// But if the player did stand, it checks if their score is larger than the dealer's AND if the score equals/less than 21.
/// If the above statement is TRUE, it will congratulate, and reveal the dealer's score. Then it'll ask if the player wants to play again.
///
/// However, if the above is FALSE, it will tell the player that they lost, reveal the dealer's score, and ask if the player wants to play again.
/// </summary>
static void Game()
{
if (hitOrStand.Equals("hit"))
{
Hit();
}
else if (hitOrStand.Equals("stand"))
{
if (score > scoreDealer && score <= 21)
{
Console.WriteLine("\nCongratulations! You won! The dealer's score was " + scoreDealer + ".\nWould you like to play again? y/n");
PlayAgain();
}
else if (score < scoreDealer)
{
Console.WriteLine("\nYou lost! The dealer's score was " + scoreDealer + ".\nWould you like to play again? y/n");
PlayAgain();
}
}
Console.ReadLine();
}
/// <summary>
/// DEAL METHOD
///
/// The Deal method creates a random number between 1 and 14.
/// Then that int switches and assigns a value to Card.
/// Depending on its result, it will add to the amount on score.
/// Lastly, it'll return the string Card.
///
/// Below, all the cards that are available can be viewed.
/// </summary>
static string Deal()
{
string Card = "";
int cards = newCard.Next(1, 14);
switch (cards)
{
case 1: Card = "2"; score += 2;
break;
case 2: Card = "3"; score += 3;
break;
case 3: Card = "4"; score += 4;
break;
case 4: Card = "5"; score += 5;
break;
case 5: Card = "6"; score += 6;
break;
case 6: Card = "7"; score += 7;
break;
case 7: Card = "8"; score += 8;
break;
case 8: Card = "9"; score += 9;
break;
case 9: Card = "10"; score += 10;
break;
case 10: Card = "Jack"; score += 10;
break;
case 11: Card = "Queen"; score += 10;
break;
case 12: Card = "King"; score += 10;
break;
case 13: Card = "Ace"; score += 11;
break;
default: Card = "2"; score += 2;
break;
}
return Card;
}
/// <summary>
/// HIT METHOD
///
/// The Hit method adds another card to the player's hand, as they demanded (when they decided to hit instead of stand).
/// Then it checks if the player still holds an amount less than 21, got Blackjack (21), or Busted (received an amount over 21).
///
/// If the amount is less than 21, the player may continue, and they will be asked if they'd like to hit or stand.
/// </summary>
static void Hit()
{
cardCount += 1;
playerCards[cardCount] = Deal();
Console.WriteLine("\nYou were dealed a " + playerCards[cardCount] + ".\nYour new score is " + score + ".");
if (score.Equals(21))
{
Console.WriteLine("\nBlackjack! Congratulations! The dealer's score was " + scoreDealer + ".\nWould you like to play again? y/n");
PlayAgain();
}
else if (score > 21)
{
Console.WriteLine("\nYou busted, and lost. The dealer's score was " + scoreDealer + ".\nWould you like to play again? y/n");
PlayAgain();
}
else if (score < 21)
{
do
{
Console.WriteLine("\nWould you like to hit or stand?");
hitOrStand = Console.ReadLine().ToLower();
} while (!hitOrStand.Equals("hit") && !hitOrStand.Equals("stand"));
Game();
}
}
/// <summary>
/// PLAYAGAIN METHOD
///
/// This method simply asks the player if they want to play again, or not.
/// If the player replies with a 'y', it will tell the player to press enter in order to restart the game.
///
/// If the player replies with an 'n', it will tell the player to press enter in order to close the game.
/// </summary>
static void PlayAgain()
{
string playAgain = "";
do
{
playAgain = Console.ReadLine().ToLower();
} while (!playAgain.Equals("y") && !playAgain.Equals("n"));
if (playAgain.Equals("y"))
{
Console.WriteLine("\nPress Enter to play again.");
Console.ReadLine();
Console.Clear();
scoreDealer = 0;
cardCount = 1;
score = 0;
Start();
}
else if (playAgain.Equals("n"))
{
Console.WriteLine("\nThank you for playing. \nPress Enter to close the game.");
Console.ReadLine();
Environment.Exit(0);
}
}
}
}