利用java异常机制对日期进行判断

import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.*;

/**
 * @author zhangshuohua
 */
public class Main {
    static int[] a = {0, 2, 2};
    static int[] b = {1, 0, 1};
    static int[] c = {2, 1, 0};

    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        String date = sc.nextLine();
        String[] split = date.split("/");
        ArrayList<String> list = new ArrayList<>();
        for (int i = 0; i < 3; i++) {
            String s = "19" + split[a[i]] + "-" + split[b[i]] + "-" + split[c[i]];
            if (check(s) && !list.contains(s)) {
                list.add(s);
            }
            s = "20" + split[a[i]] + "-" + split[b[i]] + "-" + split[c[i]];
            if (check(s) && !list.contains(s)) {
                list.add(s);
            }
        }
        Collections.sort(list);
        for (String s : list) {
            System.out.println(s);
        }
    }

    public static boolean check(String dateString) {
        Calendar start = Calendar.getInstance();
        Calendar end = Calendar.getInstance();
        SimpleDateFormat simpleDateFormat = new SimpleDateFormat("yyyy-MM-dd");
        start.set(Calendar.YEAR, 1960);
        start.set(Calendar.MONDAY, 1);
        start.set(Calendar.DAY_OF_WEEK, 1);
        end.set(Calendar.YEAR, 2059);
        end.set(Calendar.MONTH, 12);
        end.set(Calendar.DAY_OF_WEEK, 31);
        simpleDateFormat.setLenient(false);
        try {
            Date parse = simpleDateFormat.parse(dateString);
            if (parse.getTime() - start.getTimeInMillis() < 0 || end.getTimeInMillis() - parse.getTime() < 0) {
                return false;
            }
            return true;
        } catch (ParseException e) {
            return false;
        }
    }
}