import java.time.Instant;
import java.util.ArrayList;
import java.util.Calendar;
import java.util.Random;
import java.util.Scanner;
import javax.rmi.CORBA.Util;
public class TestOne {
public static void main(String[] args) {
Calendar c = Calendar.getInstance();
for(int year=1999;year<10000;year+=100) {
c.set(Calendar.YEAR, year);
c.set(Calendar.MONTH,11);
c.set(Calendar.DAY_OF_MONTH,31);
if(c.get(Calendar.DAY_OF_WEEK)==1) {
break;
}
}
System.out.println(c.get(Calendar.YEAR));
}
}
答案：2299
