排序算法-冒泡排序（Java解释）

public class BubbleSort {
    public static void main(String[] args) {
        int[] arr=new int[]{43,55,66,21,2,45,43,-84,-1,20};
        for (int i=0;iarr[j+1]){
                    int temp=arr[j];
                    arr[j]=arr[j+1];
                    arr[j+1]=temp;
                }
            }
        }
        for (int i=0;i<=arr.length-1;i++) {
            System.out.println(arr[i]);
        }
    }
}