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java - boolean 类型未读入?

转载 作者:行者123 更新时间:2023-12-01 17:38:05 26 4
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我正在为我的 COSC 117 类做一个 Java 项目,我的代码出现错误,说我的 boolean 类型“done”从未被读入。我不知道如何解决这个问题。谢谢。

import java. util.Scanner;
public class PlayCraps {

/**
* This program will play the game of craps. The user will roll the dice and if it is a 7 or 11,
* they win. If the first roll is a 2, 3 or 12; however, they lose. If it is neither, the user
* keeps rolling until they roll their first number again or a 7. If they roll their first number
* they win, if they roll a 7, they lose. The program will then ask the user if they want to play
* again
* Programmer: Ryan Mitchell
* Date: November 19, 2010
*/

public static void main(String[] args) {
Scanner keyboard = new Scanner (System.in);
String answer1;
double firstRoll;
double makeRoll;
int totalWins=0;
int totalLoses=0;
String answer2;
boolean done=false;

System.out.println("If you would like to see the rules of craps type yes, otherwise type no");
answer1 = keyboard.next();

if (answer1.equalsIgnoreCase("yes")){
System.out.println("You will roll the dice at least one time. If the first roll is a 7 or 11 you win");
System.out.println("If the first roll is a 2, 3 or 12; however, you lose.") ;
System.out.println("If it is neither, you keep rolling until you roll the first number again or a 7. ");
System.out.println("If you roll the first number you win, if you roll a 7, you lose. ");
System.out.println("The program will then ask the you if you want to play again");
}
System.out.println("Let's play craps");

do
{
firstRoll=Dice.roll();
System.out.println("Your first roll is " + firstRoll);
if (firstRoll == 7|| firstRoll==11)
{
System.out.println("Winner!");
totalWins++;
}
else if (firstRoll == 2 || firstRoll == 3 || firstRoll == 12)
{
System.out.println("Loser!");
totalLoses++;
}
else
{
done = false;
while (done=false)
{
System.out.println("Now you have to roll your first number before you roll a 7");
makeRoll=Dice.roll();
System.out.println("You rolled a " + makeRoll);

if (makeRoll == firstRoll)
{
done = true;
totalWins++;
System.out.println("Winner!");
}
else if (makeRoll==7)
{
done = true;
totalLoses++;
System.out.println("Loser!");
}
}
}
System.out.println("Type yes to play again");
answer2=keyboard.next();

} while (answer2.equalsIgnoreCase("yes"));

System.out.println("You won " +totalWins +" games");
System.out.println("You lost " +totalLoses +" games");
}
}

public class Dice {
public static double roll() {
double num1 = Math.floor(Math.random()*6+1);
double num2 = Math.floor(Math.random()*6+1);
return num1 + num2;
}
}

最佳答案

看这个:

while (done=false)

看到这里有什么问题吗?我不会告诉你,因为这是作业。

关于java - boolean 类型未读入?,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/4235626/

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