java - 日历打印

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

public class Work2_1 {
    public static class TestCalender {
        public static void main(String[] args) throws ParseException {
            Scanner scanner = new Scanner(System.in);
            System.out.println("请输入年份:");
            int year = scanner.nextInt();
            Calendar date = Calendar.getInstance();
            year = date.get(Calendar.YEAR);
            int m = 1;
            while (m < 13) {
                int month = m;
                Calendar cal = Calendar.getInstance();
                cal.clear();
                cal.set(Calendar.YEAR, year);
                cal.set(Calendar.MONTH, month - 1);
                int count = cal.getActualMaximum(Calendar.DAY_OF_MONTH);
                int week = cal.get(Calendar.DAY_OF_WEEK);
                System.out.printf("\t\t%d年%d月\n", year, month);
                System.out.print("日\t一\t二\t三\t四\t五\t六\n");
                int i;
                for (i = 0; i < week - 1; i++) {
                    System.out.print("\t");
                }
                for (int j = 1; j <= count; j++) {
                    System.out.print(j + "\t");
                    if ((i + j) % 7 == 0) {
                        System.out.println();
                    }
                }
                System.out.println();
                m++;
            }
        }
    }
}