Android开发基础/Java 获取当前的日期及时间

import java.util.*;    public class GetDateAndTime    {   public static void main(String []abc)   {   int year,month,day,hour,min,sec;   //实例化一个Calendar类Calendar cal=Calendar.getInstance();   year=cal.get(Calendar.YEAR);   month=cal.get(Calendar.MONTH);   day=cal.get(Calendar.DATE);   hour=cal.get(Calendar.HOUR_OF_DAY);   min=cal.get(Calendar.MINUTE);   sec=cal.get(Calendar.SECOND);   System.out.println("现在时刻是"+y+"年"+m+"月"+d+"日"+h+"时"+mi+"分"+s+"秒");   }    }