Calendar 类的预习_2017_9_11
package ws.day04._new;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
public class Date_Test {
public static void main(String [] arge){
/**Date da=new Date();
System.out.println(da);
*SimpleDateFormat sim=new SimpleDateFormat("yyyy-MM-dd hh:mm:ss");
*String cur=sim.format(da);
*System.out.println(cur);
**/
Calendar cal=Calendar.getInstance();
cal.add(Calendar.DAY_OF_YEAR,+70);//当前的日期加上70天后的日期具体年月日时分秒周几;
int year=cal.get(Calendar.YEAR);
int month=cal.get(Calendar.MONTH)+1;
int date=cal.get(Calendar.DATE);
int hour=cal.get(Calendar.HOUR_OF_DAY);
int minute=cal.get(Calendar.MINUTE);
int day=cal.get(Calendar.DAY_OF_WEEK);
System.out.println("年份是"+year);
System.out.println("月份是"+month);
System.out.println("日期是"+date);
System.out.println("小时是"+hour);
System.out.println("分钟"+minute);
System.out.println("周几是"+day);
}
}