标签:style class java tar ext color
package com.leo.quickstart; import java.text.SimpleDateFormat; import java.util.Calendar; import java.util.Date; /** * Created by Leo on 2014/5/4. */ public class DateTest { /** * 获取当前时间 */ private static void getCurrentTime() { Calendar now=Calendar.getInstance(); //获取当前时间 2014-03-27 Integer year=now.get(Calendar.YEAR); //返回2014 Integer month=now.get(Calendar.MONTH); //返回2 注意: Calendar中的月从0开始。 Integer date=now.get(Calendar.DATE); //返回27 System.out.println(year); System.out.println(month); System.out.println(date); } private static void createACalendar() { //创建一个Calendar对象,表示1985-08-28 Calendar time=Calendar.getInstance(); time.set(Calendar.YEAR, 1985); time.set(Calendar.MONTH, 8-1); time.set(Calendar.DATE, 28); } /** * 将Calendar格式化成String */ private static void fromCalendarToString() { Calendar cale = Calendar.getInstance(); //使用默认时区和语言环境获得一个日历 Date time=cale.getTime(); //将Calendar类型转换成Date类型 SimpleDateFormat format=new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"); //设置日期输出的格式 System.out.println(format.format(time)); //格式化输出 } /** * 从Calendar到Date */ private static void fromCalendarToDate() { Calendar calendar=Calendar.getInstance(); Date date=calendar.getTime(); } /** * 从Date到Calendar */ private static void fromDateToCalendar() { Date date=new Date(); Calendar cal= Calendar.getInstance(); cal.setTime(date); } }
标签:style class java tar ext color
原文地址:http://www.cnblogs.com/leiwei/p/3710630.html