Print numbers from 1 to n using recursion in c#

Csharp program for Print numbers from 1 to n using recursion. Here more solutions.

// Include namespace system
using System;
// Csharp program for
// Print numbers from 1 to n using recursion
public class Numbers
{
	public void printNumber(int num)
	{
		if (num >= 1)
		{
			// Reduce the number and try again 
			// Until n is greater than zero
			this.printNumber(num - 1);
			// Display calculated result
			Console.Write(" " + num);
		}
	}
	public static void Main(String[] args)
	{
		var task = new Numbers();
		// Test A (1..10)
		var num = 10;
		Console.Write("\n (1 to " + num + ") : ");
		task.printNumber(num);
		// Test B (1..20)
		num = 20;
		Console.Write("\n (1 to " + num + ") : ");
		task.printNumber(num);
	}
}

Output

 (1 to 10) :  1 2 3 4 5 6 7 8 9 10
 (1 to 20) :  1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20


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