Java Timer timetask

Package Com.alan.timer;

Import Java.util.Calendar;
Import Java.util.Date;
Import Java.util.Timer;
Import Java.util.TimerTask;
/**
* Java Timer
* @author Shaohaixiong
* @date September 27, 2016 5:38:19
* @version v1.0
*/
public class Timertest {
The first method: set the specified task tasks to execute schedule (timertask task, Date time) at specified times
public static void Timer1 () {
Timer timer = new timer ();
Timer.schedule (New TimerTask () {
public void Run () {
System.out.println ("-------set to specify task--------");
}
}, 2000);//Set the time specified, here is 2000 milliseconds
}

The second method: set the execution of a fixed delay peroid for the specified task tasks after specifying delay delays
Schedule (timertask task, long delay, long period)
public static void Timer2 () {
Timer timer = new timer ();
Timer.schedule (New TimerTask () {
public void Run () {
System.out.println ("-------set to specify task--------");
}
}, 1000, 5000);
}

The third method: Set the execution of the fixed frequency peroid of the specified task tasks after specifying the delayed delay.
Scheduleatfixedrate (timertask task, long delay, long period)
public static void Timer3 () {
Timer timer = new timer ();
Timer.scheduleatfixedrate (New TimerTask () {
public void Run () {
System.out.println ("-------set to specify task--------");
}
}, 1000, 2000);
}

Fourth method: Schedule the specified task to execute at a fixed rate period the specified time Firsttime begins to repeat.
Timer.scheduleatfixedrate (TimerTask task,date Firsttime,long period)
public static void Timer4 () {
Calendar calendar = Calendar.getinstance ();
Calendar.set (Calendar.hour_of_day, 12); Control time
Calendar.set (calendar.minute, 0); Control points
Calendar.set (Calendar.second, 0); Control seconds

Date time = Calendar.gettime (); The time to execute the task, here is today's 12:00:00

Timer timer = new timer ();
Timer.scheduleatfixedrate (New TimerTask () {
public void Run () {
System.out.println ("-------set to specify task--------");
}
}, time, 1000 * 60 * 60 * 24);//This setting will be delayed daily fixed execution
}

/**
* Once daily 17:00
*
* @author Shaohaixiong
* @date September 27, 2016 10:08:44
* @version v1.0
*/
public static void Timer5 () {
Calendar calendar = Calendar.getinstance ();
Calendar.set (Calendar.hour_of_day, 17); Control time
Calendar.set (calendar.minute, 0); Control points
Calendar.set (Calendar.second, 0); Control seconds

Date time = Calendar.gettime (); The time to execute the task, here is today's 17:00:00

Timer timer = new timer ();
Timer.scheduleatfixedrate (New TimerTask () {
public void Run () {
System.out.println ("-------perform--------17:00 daily");
}
}, time, 1000 * 60 * 60 * 24);//This setting will be delayed daily fixed execution
}
private static final int day=1;//Day
/**
* Executed once per month at number 1th
*
* @author Shaohaixiong
* @date September 27, 2016 10:11:26
* @version v1.0
*/
public static void Timer6 () {
Final Calendar calendar = Calendar.getinstance ();
Calendar.set (calendar.hour_of_day, 0); Control time
Calendar.set (calendar.minute, 0); Control points
Calendar.set (Calendar.second, 0); Control seconds
Date time = Calendar.gettime ();
Timer timer = new timer ();
Timer.scheduleatfixedrate (New TimerTask () {
public void Run () {
Determine if the current month is number 1th
if (Calendar.get (calendar.day_of_month) ==day) {
System.out.println ("-------execution--------1th per month");
}
}
}, time, 1000 * 60 * 60 * 24);//This setting will be delayed daily fixed execution
}
public static void Main (string[] args) {
Timer1 ();
Timer2 ();
Timer3 ();
Timer4 ();
Timer5 ();
Timer6 ();
}
}

Java Timer timetask