Programming Examples

Java program to count the number of digits in given number


Write a java program to input any number and count the number of digits in number.

Solution

import java.util.*;
class DigitCount
{
    public static void main(String arr[])
    {
        Scanner sc=new Scanner(System.in);
        int count=0,num;
        System.out.println("Enter any Number : ");
        num=sc.nextInt();
        while(num>0)
        {
            count++;
            num=num/10;
        }
        System.out.println("Number of Digits in Number are : "+count);
    }
}
    
Output

Enter any Number : 

4323

Number of Digits in Number are : 4


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