如何停止条件循环的运行。例如,如果我编写一个接受 0 到 100 值的 if
语句。如果用户输入小于 0 或大于 100 的数字,如何停止程序。
import java.util.Scanner;
public class TestScores {
public static void main(String[]args) {
int numTests = 0;
double[] grade = new double[numTests];
double totGrades = 0;
double average;
Scanner keyboard = new Scanner(System.in);
System.out.print("How many tests do you have? ");
numTests = keyboard.nextInt();
grade = new double[(int) numTests];
for (int index = 0; index < grade.length; index++) {
System.out.print("Enter grade for Test " + (index + 1) + ": ");
grade[index] = keyboard.nextDouble();
if (grade[index] < 0 || grade[index]> 100) {
try {
throw new InvalidTestScore();
}
catch (InvalidTestScore e) {
e.printStackTrace();
}
}
}
for (int index = 0; index < grade.length; index++) {
totGrades += grade[index];
}
average = totGrades/grade.length;
System.out.print("The average is: " + average);
}
}
最佳答案
您使用
break;
关键字。这打破了一个循环。
关于java - 你如何阻止循环在 Java 中运行,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/5006972/