Q:

Write a Java Program to find Reverse Number using While Loop

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robaa
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2022-11-26
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Reverse number means reverse the position of all digits of any number.

For example : Reverse of 435 is 534.

For this program you need modulus operator concept and while loop, while loop is used for check condition and modulus used for find the remainder.

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robaa
2022-11-26
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SOURCE CODE ::

import java.util.Scanner;

public class ReverseNumber {

public static void main(String[] args) {
 
 int n,i,reverse=0,k;
 
 Scanner sc = new Scanner(System.in);
 System.out.print("Enter the no. which u want to reverse : ");
 n=sc.nextInt();
 k=n;
 while(n>0)
 {
 i=n%10;
 reverse=reverse*10+i;
 n=n/10;
 }
 System.out.println("Reverse of " + k + " is : "+ reverse);
 
 }
 
}

OUTPUT ::

Enter the no. which u want to reverse : 123456

Reverse of 123456 is : 654321

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