冒泡排序

import java.util.*;
public class Solution {
    public int[] MySort (int[] arr) {
        for(int i = 0;i<arr.length-1;i++){
            for(int j = 0;j<arr.length-i-1;j++){
                if(arr[j] > arr[j+1]){
                    int temp = arr[j+1];
                    arr[j+1] = arr[j];
                    arr[j] = temp;
                }
            }
        }
        return arr;
    }
}