Using charAt method, won't add them as an Int, and wont print as string. Will explain better

Question

Alright, so here is my code:

import java.util.Scanner;

public class CarRental {

    public static String model;
    public static int letternum;
    public st         


        

Answer 1

public static String model;
public static int letternum;
public static String plate;
public static String letter;
public static int total;              
public static String alphabet = "abcdefghijklmnopqrstuvwxyz";

public static void main(String[] args) {
    Scanner input = new Scanner(System.in);

    //System.out.println("Car Model:");
    //model = input.nextLine();
    System.out.println("License Plate: ");
    plate = input.nextLine();

    char one = plate.charAt(0);
    char two = plate.charAt(1);
    char three = plate.charAt(2);
    total = Integer.parseInt(one) + Integer.parseInt(two) + Integer.parseInt(three);
    letternum = total % 24;

    char letter = alphabet.charAt(letternum);

    System.out.println("" + letter + total);

}

you forgot to cast it to integer