Count in Digits in Java

 In this tutorial, I will show you how to write a program that will ask the user to give a series of

numbers and then the program will count the digits in a given number using Java programming language.

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Program Listing

import java.util.Scanner;

/**

 * @author Jake Rodriguez Pomperada, MAED-IT, MIT

 * jakerpomperada@gmail.com

 * www.jakerpomperada.com

 * Bacolod City, Negros Occidental

 * November 12, 2020

 */

public class Count_Digits {

public static void main(String[] args) {

// TODO Auto-generated method stub

long a=0;

int x=0;

        

       Scanner keyboard = new Scanner(System.in);

               

      System.out.println("\n");

      System.out.print("\t\tCount in Digits in Java");

      System.out.println("\n");

             

      System.out.print("\tGive a Number :  ");

      a = keyboard.nextInt();

      

      for (x = 1; a >= 10; x++)

      {

          a = a / 10;

      }

     

      System.out.print("\n");

      System.out.printf("\tThe given number contains " + x + " digits.\n");

      System.out.print("\n\n");

  System.out.println("\tEnd of Program");

  System.out.println("\n\n");

     keyboard.close();

}

}