class b1{
public static void reverseDigits(long number) {
    if (number < 10) {
        System.out.print(number+" ");
        return;
    }
    else {
        System.out.print(number % 10+" ");
        reverseDigits(number/10);
    }
}
public static void main(String[] args) {
    reverseDigits(98198187);
}
}

import java.util.Arrays;

public class b2 {

    static void bubbleSort(int arr[], int n) {

        if (n == 1)
            return;
        for (int i=0; i<n-1; i++)
            if (arr[i] > arr[i+1])
            {

                int temp = arr[i];
                arr[i] = arr[i+1];
                arr[i+1] = temp;
            }

        bubbleSort(arr, n-1);
    }

    public static void main(String[] args)
    {
        int arr[] = {64, 34, 25, 12, 22, 11, 90};
        bubbleSort(arr, arr.length);
        System.out.println("Max : ");
        System.out.println((arr[arr.length-1]));
    }
}