how to check no of digits in java code example
Example 1: find number of digits in a number java
(int)Math.floor(Math.log10(Your_number_name_goes_here) + 1);
Example 2: count the number of digits in an integer in java
import java.util.Scanner;
public class CountingDigitsInInteger {
public static void main(String args[]){
Scanner sc = new Scanner(System.in);
int count = 0;
System.out.println("Enter a number ::");
int num = sc.nextInt();
while(num!=0){
num = num/10;
count++;
}
System.out.println("Number of digits in the entered integer are :: "+count);
}
}