题解 | #出生日期输入输出#

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

// 注意类名必须为 Main, 不要有任何 package xxx 信息
public class Main {
    public static void main(String[] args) {
 
        try(Scanner in = new Scanner(System.in);) {

            //输入：20140215
            String  line  =  in.nextLine();


            //方式1：使用字符串的截取
            // String year = line.substring(0, 4);
            // String month = line.substring(4, 6);
            // String date = line.substring(6);
            // System.out.printf("year=%s\n"+"month=%s\n"+"date=%s",year,month,date);

            //方式2：使用字符串的
            LocalDate date = LocalDate.parse(line,DateTimeFormatter.ofPattern("yyyyMMdd"));

            int year = date.getYear();
            int month = date.getMonthValue();
            int dayOfMoth = date.getDayOfMonth();
            System.out.printf("year=%d\n"+"month=%02d\n"+"date=%02d",year,month,dayOfMoth);


        }
    }
}