出现java数组索引越界异常情况

Question

import java.util.Scanner;
class bazar
{
    void calculate ()
    {
        int sum=0;
        Scanner sc = new Scanner (System.in);
        System.out.println("Hi ! welcome to out advance calculator");
        System.out.println("Enter the number of items that you wish to compute");
        int c = sc.nextInt();
        String item[] = new String[c];
        int price[] = new int[c];
        sc.nextLine();
        for (int i=1; i<=c; i++)
        {
          System.out.println( "please enter the item name : " );
          item[i] = sc.nextLine();
          System.out.println();
          System.out.println( "please enter the price of " +item[i]+":");
          price[i] = sc.nextInt();
          sc.nextLine();
          sum=sum+price[i];
        }
        //display part 
        for (int k=1; k<=c; k++)
        {
            System.out.println(  "ITEM                       PRICE");
            System.out.println (item[k]+"                  "+price[k]); 
        }
        System.out.println();
        System.out.println();
        System.out.println();
        System.out.println();
        System.out.println("YOUR BILL TOTAL HAS COME TO----------------->"+sum);
    }
}

Answer 1

int price[] = new int[c];
sc.nextLine();
for (int i=1; i<=c; i++)

您正在使用c索引创建一个数组。假设c是10。这意味着您的索引是0-9，总共有10个索引。然后循环到并包含c。在我们的示例中，这意味着您将尝试访问索引10，但最高的索引是9

你想要这个：

for (int i=0; i<c; i++)