Calendar应用实例

package com.czie.iot1913.lps.Date;

import java.util.Calendar;

/**
 * FileName: CalendarTest01
 * Author:   lps
 * Date:     2022/3/23 20:38
 * Sign:刘品水 Q：1944900433
 */
public class CalendarTest01 {
    public static void main(String[] args) {
        //Calendar是一个抽象类
        Calendar c = Calendar.getInstance();
        System.out.println(c);
        //calendar返回月份是从0开始 所以需要加1
        System.out.println("年:" + c.get(Calendar.YEAR));
        System.out.println("月:" + (c.get(Calendar.MONTH) + 1));
        System.out.println("日:" + c.get(Calendar.DAY_OF_MONTH));
        System.out.println("时:" + c.get(Calendar.HOUR));
        System.out.println("分:" + c.get(Calendar.MINUTE));
        System.out.println("秒:" + c.get(Calendar.SECOND));
        System.out.println("========");
        System.out.println(c.get(Calendar.YEAR) + "-" + (c.get(Calendar.MONTH) + 1) + "-" + c.get(Calendar.DATE)
                + "," + c.get(Calendar.HOUR_OF_DAY)  + ":" + c.get(Calendar.MINUTE) + ":" + c.get(Calendar.SECOND));


    }

}