java冒泡排序

public class MaoPao {
    public static void main(String[] args) {
        int[] array={1,2,5,6,3,6,8,9};
        for (int i = 0; i array[j+1]){
                    flag=array[j];
                    array[j]=array[j+1];
                    array[j+1]=flag;
                }
            }
        }
        System.out.println(Arrays.toString(array));
    }
}