Java 中GregorianCalendar类的简介说明

GregorianCalendar类简介说明

  Calendar中getInstance()方法:

  返回一个默认用当前的语言环境和时区初始化的GregorianCalendar对象


   
  GregorianCalendar类中定义了两个字段：AD和BC

   他们分别代表公历中定义的两个时代

GregorianGregorianCalendar类中构造方法如下表所示

GregorianCalendar类中常用的方法列表

GregorianCalendar类的示例分享

package com.java265;

import java.util.Calendar;
import java.util.GregorianCalendar;

public class testMain {

	/*
	 * java265.com GregorianCalendar类示例分享
	 */
	public static void main(String[] args) {

		String months[] = { "Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec" };

		int year;
		// 初始化 Gregorian 日历
		GregorianCalendar gcalendar = new GregorianCalendar();
		// 显示当前时间和日期的信息
		System.out.print("Date: ");
		System.out.print(months[gcalendar.get(Calendar.MONTH)]);
		System.out.print(" " + gcalendar.get(Calendar.DATE) + " ");
		System.out.println(year = gcalendar.get(Calendar.YEAR));
		System.out.print("Time: ");
		System.out.print(gcalendar.get(Calendar.HOUR) + ":");
		System.out.print(gcalendar.get(Calendar.MINUTE) + ":");
		System.out.println(gcalendar.get(Calendar.SECOND));

		// 测试当前年份是否为闰年
		if (gcalendar.isLeapYear(year)) {
			System.out.println("当前年份是闰年");
		} else {
			System.out.println("当前年份不是闰年");
		}
	}

}