java冒泡排序

public static void main(String[] args) {
    int[] arr = {1, 23, 54, 65, 76, 77, 89, 90};
    for (int i = 0; i < arr.length - 1; i++) {
        for (int j = 0; j < arr.length - 1 - i; j++) {
            if (arr[j] < arr[j + 1]) {
                int temp = arr[j];
                arr[j] = arr[j + 1];
                arr[j + 1] = temp;
            }
        }
    }
    for (int i : arr) {
        System.out.print(i + "t");
    }
}