Reverse of a Number
Program to display reverse of a number
Example : Original Number : 423
Reverse Number : 234
Algorithm :-
Input a number from user
store a copy of entered number in another variable
use while loop for reversing the number
Print the original number as well as Reverse number
Program :-
import java.io.*; import java.util.*; class Reverse { public static void main(String args[]) { Scanner in= new Scanner(System.in); int n,p,rev,s=0; System.out.println("Enter No."); n= in.nextInt(); // Input number from user p=n; // store the entered number in "p" variable while(n>0) { rev=n%10; // extract last digit of the number s=s*10+rev; // store the digit last digit n=n/10; // extract all digit except the last } System.out.println("Original Number : "+p); System.out.println("Reverse Number : "+s); } // end of main method } // end of class
Note : The program is written in the easiest way possible so try understand it. If you face any problem in understanding this program than feel free to contact/comment. All the Best :)
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