java中关于选择排序的运行时错误

Question

我已经学会了选择排序，并且我尝试用java编写它。但它有一个错误，我认为这是一个运行时错误。我不知道要修复我的代码中的哪些内容。

这是代码：

import java.util.Scanner;

public class Main {

    public static void main(String args[])

    {

        int temp;

        Scanner sc=new Scanner(System.in);

        int number;

        int input=sc.nextInt();

        int [] carriage;

        carriage=new int[input];

        for(int i=0;i<input;i++)

        {

            number=sc.nextInt();

            carriage[i]=number;

        }

        int n=carriage.length;

        for(int i=0;i<n-1;i++)

        {

            for(int j=i+1;i<n;j++)

            {

                if(carriage[j]<carriage[i])

                {

                    temp=carriage[i];

                    carriage[i]=carriage[j];

                    carriage[j]=temp;

                }

            }

            System.out.println(carriage[i]+ " ");

        }

        sc.close();

    }

}

Answer 1

我想你想对用户提供的整数进行排序。您的代码有 2 个错误。一个在以i开头的for循环中，条件应该是ipublic class Main {&nbsp; &nbsp; public static void main(String args[]) {&nbsp; &nbsp; &nbsp; &nbsp; int temp;&nbsp; &nbsp; &nbsp; &nbsp; Scanner sc = new Scanner(System.in);&nbsp; &nbsp; &nbsp; &nbsp; int number;&nbsp; &nbsp; &nbsp; &nbsp; System.out.println("Enter the number of integers to be sorted - ");&nbsp; &nbsp; &nbsp; &nbsp; int input = sc.nextInt();&nbsp; &nbsp; &nbsp; &nbsp; int[] carriage;&nbsp; &nbsp; &nbsp; &nbsp; carriage = new int[input];&nbsp; &nbsp; &nbsp; &nbsp; for (int i = 0; i < input; i++) {&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; System.out.println("Enter the "+ i+1 +"number&nbsp; - ");&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; number = sc.nextInt();&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; carriage[i] = number;&nbsp; &nbsp; &nbsp; &nbsp; }&nbsp; &nbsp; &nbsp; &nbsp; int n = carriage.length;&nbsp; &nbsp; &nbsp; &nbsp; for (int i = 0; i < n; i++) {&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; for (int j = i + 1; j < n; j++) {&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; if (carriage[j] < carriage[i]) {&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; temp = carriage[i];&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; carriage[i] = carriage[j];&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; carriage[j] = temp;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; }&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; }&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; System.out.println(carriage[i] + " ");&nbsp; &nbsp; &nbsp; &nbsp; }&nbsp; &nbsp; &nbsp; &nbsp; sc.close();&nbsp; &nbsp; }}