题解 | #冒泡排序#

import java.util.Arrays;
import java.util.Scanner;
public class Main {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
         int[] arr = new int[7];
        for (int i = 0; i < arr.length; i++) {
            arr[i] = scanner.nextInt();
        }
        scanner.close();

        for(int i = 0;i < arr.length; i++) {
            for(int j = 0;j < arr.length - 1;j++) {
                if(arr[j] > arr[j+1]) {
                    int temp = arr[j];
                    arr[j] = arr[j+1];
                    arr[j+1] = temp;
                }
            }
        }
    

        for (int k = 0; k < arr.length; k++) {
            System.out.print(arr[k]+" ");
        }
    }
}