bad code: nested methods

import java.util.Scanner;

class Main {

    public static void main(String[] args) {
        new Main().run();
    }

    public void run() {
        final int FINE_AMOUNT = 3;
        String userInput = ask("What sentence shall I analyze?");
        int numCharacter = analyzer(userInput);
        Scanner keyboard = new Scanner(System.in);
    }

    private String ask (String question) {
        System.out.print(question);
        String input = keyboard.nextLine();
        String finalInput = input.toUpperCase();
        return finalInput;
    }

    private int analyzer(String userInput) {
        int letterAnalyzer = userInput.indexOf("S");
        if( letterAnalyzer >= 0 ) {
            int characters = userInput.length();
            return characters;
        } else {
        }

        private void calculator(int numCharacter) {
            int totalFine = numCharacter;
            if(totalFine <= 12) {
                int fine;
                int fine = 14;
                System.out.print("That sentence contains a bad word.The fine: 14 zorkmids.");
            } else if(totalFine > 12){
                int fine;
                int fine = totalFine * FINE_AMOUNT;
                System.out.print("That sentence contains a bad word. The fine: " + fine$ +"zorkmids.");
            } else {
                System.out.print("No bad words found.");
            }
        }

    }
}