shortcut method for finding number of digit in java

import java.util.Scanner;

import java.lang.Math;

public class Length {

    public static void main(String[] args) {

        System.out.print("\nEnter number: ");

        Scanner scanner = new Scanner(System.in);

        double num = scanner.nextDouble();

        int result = ((int) Math.log10(num))+1;

        System.out.println("Result: "+result);

    }

}

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