Bubble Sort 冒泡排序

//Bubble Sort ( O(n²))
public class TestBubbleSort {
 
    public int[] bubbleSortArray(int[] arr){
        for(int i =  ; i < arr.length; i ++){
            for(int j = ; j < arr.length -i ; j ++){
                if(arr[j]>arr[j+]){
                    int temp;
                    temp = arr[j];
                    arr[j] = arr[j+];
                    arr[j+] = temp;
                }
            }
        }
        return arr;
    }
 
    public static void main(String[] args) {
        int[] arr = {,,,,,};
        TestBubbleSort test = new TestBubbleSort();
        arr = test.bubbleSortArray(arr);
 
        for(int i =  ; i < arr.length; i ++){
            System.out.println(arr[i]);
        }
    }
 
}

冒泡（Bubble）排序——相邻交换 时间复杂度：( O(n²))