目前正在做一个挑战称为数字到单词,我创建了两个方法,一个处理单独的比较值,以便它可以打印出它的字符串值(方法称为numberToWord),另一个称为反向的方法,基本上重新排序的值,以便它是以正确的顺序打印,例如:步骤一567 -->步骤2,它将被转换为765 -->步骤3,反向方法将它转换回5,6,7单独,以便它可以比较的值与if语句。然而,我已经尝试了很多方法来让它工作,我设法让它进入步骤3,但是当我试图返回值时,它在它转换之前给了我3个随机值,例如g= 7,6,7...5,6,7,我不知道如何删除前3个值,只返回最后3个值,以便在numberToWords方法中进行比较。
package com.company;
public class Main {
public static void main(String[] args) {
numberToWords(567);
}
public static void numberToWords(int number) {
int lastDigit = 0;
int digit = number;
int reverseDigit = 0;
if (number < 0) {
System.out.println("Invalid Value");
}
for (int i = 0; i < digit; i++) {
//so we are taking the last digit from 567 per iteration
lastDigit = digit % 10;
//we are then dividing the digit by 10 each time so we can get another last digit
digit /= 10;
//i will now try to essentially get down to the final number which will be flipped
reverseDigit = (reverseDigit * 10) + lastDigit;
//checking values
System.out.println(reverse(reverseDigit));
// if (reverse(reverseDigit)== 0) {
// System.out.println("Zero");
// } else if (reverse(reverseDigit) == 1) {
// System.out.println("One");
// }else if (reverse(reverseDigit) == 2) {
// System.out.println("Two");
// }else if (reverse(reverseDigit) == 3) {
// System.out.println("Three");
// }else if (reverse(reverseDigit) == 4) {
// System.out.println("Four");
// }else if (reverse(reverseDigit) == 5) {
// System.out.println("Five");
// }else if (reverse(reverseDigit) == 6) {
// System.out.println("Six");
// }else if (reverse(reverseDigit) == 7) {
// System.out.println("Seven");
// }else if (reverse(reverseDigit) == 8) {
// System.out.println("Eight");
// }else if (reverse(reverseDigit) == 9) {
// System.out.println("Nine ");
// }
if (lastDigit == 0) {
System.out.println("Zero");
} else if (lastDigit == 1) {
System.out.println("One");
} else if (lastDigit == 2) {
System.out.println("Two");
} else if (lastDigit == 3) {
System.out.println("Three");
} else if (lastDigit == 4) {
System.out.println("Four");
} else if (lastDigit == 5) {
System.out.println("Five");
} else if (lastDigit == 6) {
System.out.println("Six");
} else if (lastDigit == 7) {
System.out.println("Seven");
} else if (lastDigit == 8) {
System.out.println("Eight");
} else if (lastDigit == 9) {
System.out.println("Nine");
}
}
}
public static int reverse (int a){
int lastDigit = 0;
for (int i =0; i < a; i++) {
lastDigit = a % 10;
a /= 10;
//testing values here
//System.out.println(lastDigit);
//sout in loop gives us 567
}
return lastDigit;
}
}
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