Java学习记录

得到当前日期，和当前月份的日历格式

import java.time.DayOfWeek;
import java.time.LocalDate;
import java.util.Date;
import java.util.Scanner;

public class LocalDate{
    public static void main(String[] args){
        LocalDate date = LocalDate.now();
        int month = date.getMonthValue();
        int today = date.getDayOfMonth();

        System.out.println("当前日期和时间："+new Date());
        date = date.minusDays(today - 1);     //这个月的第一天
        DayOfWeek weekday = date.getDayOfWeek();    //得到当前日期是星期几，作为实例返回，而不是作为数值
        int value = weekday.getValue();  //星期几
        System.out.println("日期后有*的为当前日期");
        System.out.println("Mon Tue Wed Thu Fri Sat Sun");
        for(int i = 1; i