public static void main(String[] args){
        int[] arr1 = {1, 9, 8, 4, 0, 0, 2, 7, 0, 6, 0};
        placeZero2(arr1);
        for(int i = 0; i < arr1.length; i++){
            System.out.print(arr1[i] + " ");
        }
        System.out.println();

        int[] arr2 = {1, 9, 8, 4, 0, 0, 2, 7, 0, 6, 0};
        placeZeroToBegining(arr2);
        for(int i = 0; i < arr2.length; i++){
            System.out.print(arr2[i] + " ");
        }
    }