运行提示Exception in thread "main" java.util.NoSuchElementException?
代码如下:
package first.second;
import java.util.Scanner;
/**
*
* @author Administrator
*/
public class AverageInput {
public static void main(String[] args) {
Scanner scanner = new Scanner(System.in);
System.out.print("请输入学生个数: ");
int length = scanner.nextInt();
float[] score = new float[length];
for (int i = 0; i < score.length; i++) {
System.out.print("输入分数: ");
float input = scanner.nextFloat();
score[i] = input;
}
System.out.print("\n分数: ");
float total = 0;
for (int i = 0; i < score.length; i++) {
total = total + score[i];
System.out.print(score[i] + " ");
}
System.out.printf("\n平均: %.2f", total / score.length);
}
/** Creates a new instance of AverageInput */
public AverageInput() {
}
}
编译通过,运行错误信息如下:
Exception in thread "main" java.util.NoSuchElementException
at java.util.Scanner.throwFor(Scanner.java:817)
at java.util.Scanner.next(Scanner.java:1431)
at java.util.Scanner.nextInt(Scanner.java:2040)
at java.util.Scanner.nextInt(Scanner.java:2000)
at first.second.AverageInput.main(AverageInput.java:22)
请输入学生个数:
Java Result: 1
BUILD SUCCESSFUL (total time: 6 seconds)
不知哪里错了,请大家指点一下,多谢!