java check if first character of a string is a digit

/**
 * @author lautturi.com
 * Java example: java check if first character of a string is a number 
 */

import java.util.*;
import java.io.File;

public class Lautturi {
	public static void main(String[] args) {

		String myString = "123";
		if(Character.isDigit(myString.charAt(0))){
		 	System.out.println("First character of string is a number");
		}
		else{
			System.out.println("First character of string is not a number");
		}
		
	}
}