private static void bubbleSort() {
        int[] arr = new int[]{4,7,6,4,5,8,0,8,2,3,54,-1};
        for (int j = arr.length - 1; j >= 0; j--) {
            for (int i = 0; i < j ; i++) {
                if(arr[i] > arr[i + 1]){
                    int temp = arr[i + 1];
                    arr[i + 1] = arr[i];
                    arr[i] = temp;
                }
            }
        }
        for (int i = 0; i < arr.length; i++) {
            System.out.print(arr[i] + " ");
        }
    }

JAVA冒泡排序的实现