Question

一切都在程序和eclipse中完全按照预期输出，没有任何错误，但它在ASU提交网站上给出了一些错误。

//  Description: This class reads doubles from the keyboard, logs them to an array
//                  and finds the lowest value in the array along with the sum of
//                  all positive numbers and the count of negative numbers.

import java.text.DecimalFormat;
import java.text.NumberFormat;
import java.util.Scanner;

public class Assignment2 {

    public static void main(String[] args) { //Main class, takes care of beginning and end operations
        NumberFormat single = new DecimalFormat("###,###,###,###,##0"); //These alter the outputs
        NumberFormat $ = new DecimalFormat("$###,###,###,###,##0.00"); //later in the code
        double[] nums = new double[100];
        int count = 0;
        @SuppressWarnings("resource") //Eclipse gives an error without this
        Scanner scan = new Scanner(System.in);
        while(nums[count] < 100){
                //have a count to keep track of input numbers
                //input values assigned to nums
                for(int i = 0; i < 100; i++) {
                    double temp = scan.nextDouble();
                    nums[i] = temp;
                    if (nums[i] == 0){
                        break;
                    }
            }
            double min = findMin(nums, count);
            double positive = computePositiveSum(nums, count);
            int negative = countNegative(nums, count);
            System.out.println("The minimum number is " + single.format(min));
            System.out.println("The sum of the positive numbers is " + $.format(positive));
            System.out.println("The total number of negative numbers is " + single.format(negative));
        }

这是主要方法，列出的3个并不重要，因为错误是在第27行， double temp = scan.nextDouble（）;我意识到这是不必要的，但我用thsat看看是否能解决这个问题，因为nums [i] = scan.nextDouble（）;也有错误。提交网站的结果如下：

Grade

Assignment2

Compilation

2 pts. - Passed
Functionality

Test #1

Program Output
The minimum number is 0
The sum of the positive numbers is $0.00
The total number of negative numbers is 0

Exception in thread "main" java.util.NoSuchElementException
    at java.util.Scanner.throwFor(Scanner.java:838)
    at java.util.Scanner.next(Scanner.java:1461)
    at java.util.Scanner.nextDouble(Scanner.java:2387)
    at Assignment2.main(Assignment2.java:27)

Expected Output
The minimum number is 0
The sum of the positive numbers is $0.00
The total number of negative numbers is 0

0 pts. - Failure

任何人都可以帮助我理解我做错了什么吗？对我的编码实践的任何批评都是受欢迎的，我是一个新生，我很难学习java，所以如果我能有完美的“语法”，可以这么说，我会接受它。提前谢谢！

NoSuchElementException：更改执行环境后，Java程序的行为会有所不同

0 个答案: