Java date format时间格式化操作示例

import java.util.Date;import java.text.DateFormat;public class Test{  public static void main(String []args){    Date d = new Date();    String s;        System.out.println(d);    System.out.println("******************************************");            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);        java.text.DateFormat format1 = new java.text.SimpleDateFormat("yyyy-MM-dd hh:mm:ss");    s = format1.format(new Date());    System.out.println(s);        System.out.println((new java.text.SimpleDateFormat("yyyy-MM-dd hh:mm:ss")).format(new Date()));        System.out.println((new java.text.SimpleDateFormat("yyyy-MM-dd HH:mm:ss")).format(new Date()));        java.text.DateFormat format2 = new java.text.SimpleDateFormat("yyyyMMddhhmmss");    s = format2.format(new Date());    System.out.println(s);  }}