Question

Print reverse of a number using recursion

				
					ENTER THE NUMBER
5124
Reverse of 5124 is 4215

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Code

				
					import java.util.Scanner;
public class Reverse
{

    public static long FindReverse(long num,long rev)
    {
        if(num==0)
        {
            return rev; 
        }
        else
        {
            rev=rev*10+num%10;
            return FindReverse(num/10,rev);   
        }
    }

    public static void main()
    {

        long num=0,reverse=0;
        Scanner sc=new Scanner(System.in);
        System.out.println("ENTER THE NUMBER");
        num=sc.nextLong();

        reverse=FindReverse(num,0);
        System.out.println("Reverse of "+num+" is "+reverse);

    }

}