根据输入的日期，计算是这一年的第几天。。 测试用例有多组，注意循环输入

import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
import java.util.Scanner;

public class Main {

public static void main(String[] args) {

    Scanner scanner = new Scanner(System.in);
    while (scanner.hasNext()) {

        String nextLine = scanner.nextLine();

        String[] s = nextLine.split(" ");
        StringBuilder stringBuilder = new StringBuilder();
        for (int i = 0; i < s.length; i++) {
            if (i == s.length - 1) {
                stringBuilder.append(s[i]);
            } else {
                stringBuilder.append(s[i] + "-");
            }
        }

        SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd");
        try {
            Date parse = format.parse(stringBuilder.toString());

            Calendar calendar = Calendar.getInstance();

            calendar.setTime(parse);

            System.out.println(calendar.get(Calendar.DAY_OF_YEAR));

        } catch (ParseException e) {
            System.out.println(-1);
        }
    }
}

}