Java Program to Count No. of Digits of a Number

COUNT NO. OF DIGITS OF A NUMBER

In this program we learn how to count no. of digits of a number by provided user using Java.
Java program to count no. of digits of a number

// COUNT NO. OF DIGITS OF A NUMBER
import java.util.*;
class CountDigits
{
	int n;
	public
		CountDigits()
		{
			Scanner in = new Scanner(System.in);
			System.out.println("Enter a number : ");
			n = in.nextInt();
		}
		int count()
		{
			int s = 0;
			do
			{
				n = n / 10;
				s++;
			}while(n != 0);
			return(s);
		}
		void display(int p)
		{
			System.out.println("The no. of digits : "+p);
		}
	public static void main(String arg[])
	{
		CountDigits c = new CountDigits();
		int p;
		p = c.count();
		c.display(p);
	}
};

OUTPUT:

   Enter a number : 12542
   The no. of digits : 5