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[英]Exception in thread "main" java.lang.ArrayIndexOutOfBoundsException: 7
[英]Input: 123 -123 Output: 0 Exception in thread “main” java.lang.ArrayIndexOutOfBoundsException:
public class Main {
public static void main(String[] args) {
Scanner sc = new Scanner(System.in);
String num = sc.next();
String[] partsOfNums = num.split("\\-");
int num1 = Integer.parseInt(partsOfNums[0]);
int num2 = Integer.parseInt(partsOfNums[1]);
int result = num1 - num2;
System.out.println(result);
}
}
我想輸入 123 -123 並打印出 0 但我得到了錯誤。
Exception in thread "main" java.lang.ArrayIndexOutOfBoundsException: 1
at codingexercises.Main.main(Main.java:12)
代碼有什么問題?
import java.util.Scanner;
public class Main {
public static void main(String[] args) {
Scanner sc = new Scanner(System.in);
String num = sc.nextLine();
String[] partsOfNums = num.split("-");
int num1 = Integer.parseInt(partsOfNums[0].trim());
int num2 = Integer.parseInt(partsOfNums[1].trim());
int result = num1 - num2;
System.out.println(result);
}
}
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