2025 객프II

// package cse.oop2.ch13_3;

public class Washer2 {

    private int userInput;

    public Washer2(int userInput) {

        this.userInput = userInput;

    }

    public void foo() {

        Laundry laundry = new Laundry(userInput);

        try {

            laundry.doLaundry();

            System.out.println("세탁이 완료되었습니다!");

        } catch (ClothingException ex) {

            System.out.printf("예외: %s%n", ex.getMessage());

            System.out.println("세탁이 되지 않았습니다!");

        }

    }

    public static void main(String[] args) throws ClothingException {

        int userInput = -1;

        if (args.length >= 1) {

            if (args[0].matches("^-?\\d+$")) {

                System.out.println("숫자가 맞습니다.");

                userInput = Integer.parseInt(args[0]);

            } else {

                System.out.println("숫자가 아닙니다.");

            }

        }

        System.out.printf("입력 값은 %d입니다.%n", userInput);

        Washer2 w = new Washer2(userInput);

        w.foo();

    }

}

class Laundry {

    private int userInput;

    public Laundry(int userInput) {

        this.userInput = userInput;

    }

    public void doLaundry() throws ClothingException {

        if (userInput < 0) {

            throw new ClothingException();

        } else {

            System.out.println("세탁을 합니다.");

        }

    }

}

class ClothingException extends Exception {

    public ClothingException() {

        super("ClothingException");

    }

}