Question

我目前正在制作Hi-Lo纸牌游戏作为编程任务。我检测用户想要猜测更高，更低或更低的代码低于。

DeckOfCards deck = new DeckOfCards(); 
PlayingCard card = deck.deal(); 
PlayingCard next = deck.deal(); 
System.out.println("Welcome to the High Low Card Game.\n" +
                   "You're current card is: "+card.toPictograph() + 
                   ". Will the Next card be higher/lower/equal "+
                   "to the current card?\nType Quit to exit.");
Scanner inputScanner = new Scanner(System.in);
if(inputScanner.hasNext("higher")){

        System.out.println("Congradulations you won");
        wins++;
}
 else if (inputScanner.hasNext("lower"))
 {
     System.out.println("You suck");
 }
 else if (inputScanner.hasNext("equal"))
 {
     System.out.println("You suck");
 }

如果我键入'higher'，'lower'或'equal'（没有''），程序什么都不做。有任何想法吗？谢谢

Answer 1

您最好将插入的令牌保存到String变量中，然后将其与您想要的任何内容进行比较。

.next()只能保存您的第一个字。如果要保存整行（包括空格），请使用.nextLine()

DeckOfCards deck = new DeckOfCards(); 
PlayingCard card = deck.deal(); 
PlayingCard next = deck.deal(); 
System.out.println("Welcome to the High Low Card Game.\nYou're current card is: "+card.toPictograph()+". Will the Next card be higher/lower/equal to the current card?\nType Quit to exit.");
Scanner inputScanner = new Scanner(System.in);
String s = inputScanner.next();
if(s.equalsIgnoreCase("higher"))
{
    System.out.println("Congradulations you won");
    wins++;
}
else if (s.equalsIgnoreCase("lower"))
{
    System.out.println("You suck");
}
else if (s.equalsIgnoreCase("equal"))
{
    System.out.println("You suck");
}

扫描仪没有返回正确的结果？

1 个答案: