我一直在這個項目上工作了幾天,我不知道爲什麼它不工作。希望一個新的眼睛會有所幫助。當我運行這個時,有幾件事情不會發生。麻煩在java寫21點和接龍程序
真正有效的唯一一件事是管理用戶下注的部分。一些問題包括:
它沒有帶來一個卡片值(應該來自一個從1-13中隨機產生一個數字的類)。
不等待用戶輸入0,以吸引更多的卡或不
- 當它說的第三張牌是什麼,它說
[email protected]
- 沒有給出總牌值。
- 當我嘗試修復問題時,也會發生錯誤。在cardTotal的補充中,錯誤表示「操作符+對於參數類型未定義」。
它可能是缺少或有額外的括號,但我找不到他們應該/不應該在哪裏。這裏是我的代碼:
import java.util.Scanner;
public class Game {
private double pot;
private double bet;
private int answer;
private int cardTotal;
Card card1 = new Card();
Card card2 = new Card();
Card card3 = new Card();
// constructor
public Game(){
pot = 100;
bet = 0;
}
Scanner keyboard = new Scanner(System.in);
// GetBetFrom user, prompts user to enter a valid bet, reenter until a valid amount
public double getBetFromUser(){
System.out.println("Your current pot is: "+pot);
System.out.println("Enter your bet amount");
bet = keyboard.nextDouble();
//Rules for the bet
while(bet>pot || bet<0){
if(pot==0){
break;
}
if(bet>pot){
System.out.println("Sorry, you don't have enough money for that, try again");
bet = keyboard.nextDouble();
}
if(bet<0){
System.out.println("That is not a valid bet, please try again");
bet = keyboard.nextDouble();
}
}
return bet;
}
// Game mechanics
public void gamePlay(){
System.out.println("Your first card is: "+card1);
System.out.println("Your second card is: "+card2);
cardTotal= card1 + card2;
System.out.println("Your total is: "+cardTotal);
System.out.println("Enter 0 to draw more, any other number to quit: ");
if(answer == 0); {
System.out.println("Your next card is: "+card3);
System.out.println("Your total is: ");
}
}
public void results(){
if(cardTotal > 21){
System.out.println("You lose your bet");
pot = pot-bet;
}
if(cardTotal==21){
System.out.println("You win three times your bet");
pot = pot-bet+(bet*3);
}
if(cardTotal==20){
System.out.println("You win double your bet amount");
pot = pot-bet+(bet*2);
}
if(cardTotal<=19){
System.out.println("You win your bet amount");
}
}
}
這是我的卡類
import java.util.Random;
public class Card {
private int cardValue;
Random random = new Random();
public Card(){
cardValue = 1;
}
public int getCard(){
cardValue = (cardValue + random.nextInt(12));
if(cardValue>10)
return 10;
else
return cardValue;
}
public int display(){
switch (cardValue){
case 1: System.out.println("Ace");
break;
case 2: System.out.println("Two");
break;
case 3: System.out.println("Three");
break;
case 4: System.out.println("Four");
break;
case 5: System.out.println("Five");
break;
case 6: System.out.println("Six");
break;
case 7: System.out.println("Seven");
break;
case 8: System.out.println("Eight");
break;
case 9: System.out.println("Nine");
break;
case 10: System.out.println("Ten");
break;
case 11: System.out.println("Jack");
break;
case 12: System.out.println("Queen");
break;
case 13: System.out.println("King");
break;
}
return cardValue;
}
}
如果你問每題1個問題你會得到更好的反應。你已經列出了這個問題中的5個問題。你應該專注於一個 – 2014-11-14 20:43:10
你也應該嘗試一次實現你的需求。在知道隨機生成額外卡片的代碼正在工作之前,不要開始編寫代碼來繪製卡片。這樣,你就可以解決更簡單的問題,而不是一次性解決所有問題 – 2014-11-14 20:44:57
'它說Card @ 42a57993',比較https://docs.oracle.com/javase/7/docs/api/java/lang /Object.html#toString%28%29 – zapl 2014-11-14 20:45:16