C# Program to reverse a number using class and object


In this program, You will learn how to reverse a number using class and object in C#.


1234 => 4321

2312 => 2132

Example: How to reverse a number using class and object in C#.

using System;
public class Program
{
	public int reverse(int n)
	{
		int r, rev = 0;

		while (n > 0)
		{
			r = n % 10;
			rev = rev * 10 + r;
			n = n / 10;
		}
		return rev;
	}

	public static void Main(string[] args)
	{
		int x, res;

		Console.Write("Enter a number:");
		x = Convert.ToInt32(Console.ReadLine());

		Program obj = new Program();
		res = obj.reverse(x);

		Console.WriteLine("Reverse number is:" + res);
	}
}

Output:

Enter a number:123
Reverse number is:321