打印昨天的现在时刻

package calendar;

import java.util.Calendar;

/*

* 打印出昨天的现在时刻

*/

public class CalendarTest2 {

/**

* @param args

*/

public static void main(String[] args) {

// TODO Auto-generated method stub

Calendar c=Calendar.getInstance();

c.getTime();

c.add(Calendar.DATE, -1);

showdate(c);

}

public static void showdate(Calendar c) {

// TODO Auto-generated method stub

int year=c.get(Calendar.YEAR);

int month=c.get(Calendar.MONTH)+1;

int day=c.get(Calendar.DATE);

int hour=c.get(Calendar.HOUR);

int minute=c.get(Calendar.MINUTE);

int second=c.get(Calendar.SECOND);

System.out.println(year+"-"+month+"-"+day+" "+hour+":"+minute+":"+second);

}

}