本文共 1643 字，大约阅读时间需要 5 分钟。

public class CalendarTest {
   	public static void main(String[] args) {
   		// 获取当前年份、月份、日期		Calendar cale = null;		cale = Calendar.getInstance();		int year = cale.get(Calendar.YEAR);		int month = cale.get(Calendar.MONTH) + 1;		int day = cale.get(Calendar.DATE);		int hour = cale.get(Calendar.HOUR_OF_DAY);		int minute = cale.get(Calendar.MINUTE);		int second = cale.get(Calendar.SECOND);		int dow = cale.get(Calendar.DAY_OF_WEEK);		int dom = cale.get(Calendar.DAY_OF_MONTH);		int doy = cale.get(Calendar.DAY_OF_YEAR); 		System.out.println("Current Date: " + cale.getTime());		System.out.println("Year: " + year);		System.out.println("Month: " + month);		System.out.println("Day: " + day);		System.out.println("Hour: " + hour);		System.out.println("Minute: " + minute);		System.out.println("Second: " + second);		System.out.println("Day of Week: " + dow);		System.out.println("Day of Month: " + dom);		System.out.println("Day of Year: " + doy); 		// 获取当月第一天和最后一天		SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd");		String firstday, lastday;		// 获取前月的第一天		cale = Calendar.getInstance();		cale.add(Calendar.MONTH, 0);		cale.set(Calendar.DAY_OF_MONTH, 1);		firstday = format.format(cale.getTime());		// 获取前月的最后一天		cale = Calendar.getInstance();		cale.add(Calendar.MONTH, 1);		cale.set(Calendar.DAY_OF_MONTH, 0);		lastday = format.format(cale.getTime());		System.out.println("本月第一天和最后一天分别是 ： " + firstday + " and " + lastday); 		// 获取当前日期字符串		Date d = new Date();		System.out.println("当前日期字符串1：" + format.format(d));		System.out.println("当前日期字符串2：" + year + "/" + month + "/" + day + " "				+ hour + ":" + minute + ":" + second);	} }

转载地址：http://velbi.baihongyu.com/