Java中输出当前时间的各种方法
2015-11-04 11:33
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package com.grace.test;
import java.text.DateFormat;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
public class showDate {
public static void main(String[] args) throws ParseException {
Date d = new Date();
String s = null;
System.out.println(d);
s = DateFormat.getDateInstance().format(d);
System.out.println(s);
s = DateFormat.getDateInstance(DateFormat.DEFAULT).format(d);
System.out.println(s);
s = DateFormat.getDateInstance(DateFormat.FULL).format(d);
System.out.println(s);
s = DateFormat.getDateInstance(DateFormat.MEDIUM).format(d);
System.out.println(s);
s = DateFormat.getDateInstance(DateFormat.SHORT).format(d);
System.out.println(s);
DateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
s = sdf.format(d);
System.out.println(s);
DateFormat sdf2 = new SimpleDateFormat("yyyy-MM-dd hh:mm:ss");
s = sdf2.format(d);
System.out.println(s);
DateFormat sdf3 = new SimpleDateFormat("yyyyMMddHHmmss");
s = sdf3.format(d);
System.out.println(s);
s = sdf.format(d);
Date today = sdf.parse(s);
System.out.println("字符串转成日期1:" + today);
System.out.println("字符串转成日期2:" + sdf.format(today));
Calendar c = Calendar.getInstance();
System.out.println("年: " + c.get(Calendar.YEAR));
// 月份从0开始,加1校正
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_OF_DAY));
System.out.println("分: " + c.get(Calendar.MINUTE));
System.out.println("秒: " + c.get(Calendar.SECOND));
System.out.println("当前时间毫秒数:" + c.getTimeInMillis());
System.out.println("当前时间: " + c.getTime());
}
}
转自:http://blog.csdn.net/v123411739/article/details/25058019
import java.text.DateFormat;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
public class showDate {
public static void main(String[] args) throws ParseException {
Date d = new Date();
String s = null;
System.out.println(d);
s = DateFormat.getDateInstance().format(d);
System.out.println(s);
s = DateFormat.getDateInstance(DateFormat.DEFAULT).format(d);
System.out.println(s);
s = DateFormat.getDateInstance(DateFormat.FULL).format(d);
System.out.println(s);
s = DateFormat.getDateInstance(DateFormat.MEDIUM).format(d);
System.out.println(s);
s = DateFormat.getDateInstance(DateFormat.SHORT).format(d);
System.out.println(s);
DateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
s = sdf.format(d);
System.out.println(s);
DateFormat sdf2 = new SimpleDateFormat("yyyy-MM-dd hh:mm:ss");
s = sdf2.format(d);
System.out.println(s);
DateFormat sdf3 = new SimpleDateFormat("yyyyMMddHHmmss");
s = sdf3.format(d);
System.out.println(s);
s = sdf.format(d);
Date today = sdf.parse(s);
System.out.println("字符串转成日期1:" + today);
System.out.println("字符串转成日期2:" + sdf.format(today));
Calendar c = Calendar.getInstance();
System.out.println("年: " + c.get(Calendar.YEAR));
// 月份从0开始,加1校正
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_OF_DAY));
System.out.println("分: " + c.get(Calendar.MINUTE));
System.out.println("秒: " + c.get(Calendar.SECOND));
System.out.println("当前时间毫秒数:" + c.getTimeInMillis());
System.out.println("当前时间: " + c.getTime());
}
}
转自:http://blog.csdn.net/v123411739/article/details/25058019
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