冒泡排序

Posted 2020-12-05 zhujialei123

public class Bubble_Sort 
{
    public static void main(String[] args) 
    {
        int[] arr={4,3,2,5,7,9,8,1,6};
        System.out.print("排序前：");
        for(int i=0;i<arr.length;i++)
        {
            System.out.print(arr[i]+" ");
        }
        for(int i=0;i<arr.length-1;i++)
        {
            for(int j=0;j<arr.length-1;j++)
            {
                if(arr[j]>arr[j+1])
                {
                    int temp;
                    temp=arr[j];
                    arr[j]=arr[j+1];
                    arr[j+1]=temp;
                }
            }
        }
        System.out.println();
        System.out.print("排序后：");
        for(int i=0;i<arr.length;i++)
        {
            System.out.print(arr[i]+" ");
        }
    }
}