Java中的非法日期字符串

import java.time.LocalDate;
import java.time.format.DateTimeFormatter;

public class Main {
    public static void main(String[] args) {
        String dateString = "2022-01-01";
        DateTimeFormatter formatter = DateTimeFormatter.ISO_DATE;
        LocalDate date = LocalDate.parse(dateString, formatter);
        System.out.println(date);
    }
}