Bubble_sorting(Descending order)

        int temp;
        for (int i =0; i<array.length;i++) {
            for (int j = 1; j<array.length-i;j++) {
                if (array[j-1]<array[j]) {
                    temp=array[j-1];
                    array[j-1] = array[j];
                    array[j] = temp;
                }
            }
        }