How to reverse a number using recursion in Java




How to reverse a number using recursion in Java

How to reverse a number using recursion in Java

import java.util.Scanner;
class RecursionReverseDemo
{
   //A method for reverse
   public static void reverseMethod(int number) {
       if (number < 10) {
	   System.out.println(number);
	   return;
       }
       else {
           System.out.print(number % 10);
           //Method is calling itself: recursion
           reverseMethod(number/10);
       }
   }
   public static void main(String args[])
   {
	int num=0;
	System.out.println("Input your number and press enter: ");
	Scanner in = new Scanner(System.in);
	num = in.nextInt();
	System.out.print("Reverse of the input number is:");
	reverseMethod(num);
	System.out.println();
   }
}

Output:

Input your number and press enter: 
5678901
Reverse of the input number is:1098765

 


Author Biography.

Lokesh Gupta
Lokesh Gupta

Overall 3+ years of experience as a Full Stack Developer with a demonstrated history of working in the information technology and services industry. I enjoy solving complex problems within budget and deadlines putting my skills on PHP, MySQL, Python, Codeigniter, Yii2, Laravel, AngularJS, ReactJS, NodeJS to best use. Through Knowledge of UML & visual modeling, application architecture design & business process modeling. Successfully delivered various projects, based on different technologies across the globe.



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