public class StringModification $\{$

public static void main$($String$[]$ args$)\{$

Scanner scnr $=$ new Scanner$($System$.$in$)$;

String inputString;

inputString $=$ scnr$.$nextLine$()$;

if $($inputString$.$isDigit.charAt$(0))\{$

System.out.print$("$The first character is digit: $"+$ inputString.charAt$(0))$;

$\}$

else $\{$

System.out.println$("$The first character is not a digit."$)$;

$\}$

$\}$

$\}$