冒泡排序

public class BubbleSort {public static void sort(int [] arr){int arrLength=arr.length;int temp;for(int i=0;i<arrLength;i++){for(int j=0;j<arrLength-1-i;j++){if(arr[j+1]<arr[j]){//从小到大排序temp=arr[j];arr[j]=arr[j+1];arr[j+1]=temp;}}}}public static void main(String[] args) {int [] arr={9,8,7,6,999,4,3,2,1,0};sort(arr);for(int i=0;i<arr.length;i++){System.out.println(arr[i]);}}}