package com.homework;import java.util.Calendar;import java.util.GregorianCalendar;import java.util.Scanner;public class Q1 {    /**     * @param args     */    public static void main(String[] args) {        // TODO Auto-generated method stub           System.out.println("请输入年月,格式如2009-09");        Scanner scanner = new Scanner(System.in);        String yearMonth = scanner.nextLine();        String[] str = yearMonth.split("-");        //1.得到该月第一天的日历        Calendar c = new GregorianCalendar(Integer.parseInt(str[0]), Integer.parseInt(str[1])-1, 1) ;        //2.得到该月第一天星期几        int week = c.get(Calendar.DAY_OF_WEEK);        //3.这个月有多少天        int days = c.getActualMaximum(Calendar.DAY_OF_MONTH);        System.out.println(week + " "+ days);        System.out.println("日\t一\t二\t三\t四\t五\t六");                int d = week-1;        for(int i = 0 ;i < d ;i ++){            System.out.print("\t");                    }        System.out.print(1+"\t");        d++;        for(int i = 2; i <= days;i++){            if(d == 7 ){                d=0;                System.out.println();            }            System.out.print(i+"\t");            d++;        }    }}