https://www.youtube.com/watch?v=j0UdOx1tRzg&list=UUhwKlOVR041tngjerWxVccw
Click the below Image to Enlarge:
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| Timer and TimerTask Introduction | How to schedule a task once using Timer and TimerTask |
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| Timer and TimerTask Introduction | How to schedule a task once using Timer and TimerTask |
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| Timer and TimerTask Introduction | How to schedule a task once using Timer and TimerTask |
CleanUpTimerTask.java
import java.util.TimerTask;
public class CleanUpTimerTask extends TimerTask
{
public void run()
{
System.out.println("Clean up files...");
}
}
public class CleanUpTimerTask extends TimerTask
{
public void run()
{
System.out.println("Clean up files...");
}
}
TimerDemo.java
import java.util.Date;
import java.util.Timer;
import java.util.TimerTask;
public class TimerDemo
{
public static void main(String[] args)
{
/*
* Creating timer task
*/
TimerTask cleanUpTimerTask = new CleanUpTimerTask();
/*
* Creates a new timer. The associated thread does not run as
* a daemon.
*/
Timer timer = new Timer();
Date scheduleDateTime = new Date(System.currentTimeMillis() + 20000);
System.out.println("scheduleDateTime = " + scheduleDateTime);
/*
* Schedules the specified task for execution at the specified
* time. If the time is in the past, the task is scheduled for
* immediate execution.
*
* Parameters:
*
* task - task to be scheduled.
*
* time - time at which task is to be executed.
*/
timer.schedule(cleanUpTimerTask, scheduleDateTime);
System.out.println("Timer has schedule the -------cleanUpTimerTask...");
}
}
import java.util.Timer;
import java.util.TimerTask;
public class TimerDemo
{
public static void main(String[] args)
{
/*
* Creating timer task
*/
TimerTask cleanUpTimerTask = new CleanUpTimerTask();
/*
* Creates a new timer. The associated thread does not run as
* a daemon.
*/
Timer timer = new Timer();
Date scheduleDateTime = new Date(System.currentTimeMillis() + 20000);
System.out.println("scheduleDateTime = " + scheduleDateTime);
/*
* Schedules the specified task for execution at the specified
* time. If the time is in the past, the task is scheduled for
* immediate execution.
*
* Parameters:
*
* task - task to be scheduled.
*
* time - time at which task is to be executed.
*/
timer.schedule(cleanUpTimerTask, scheduleDateTime);
System.out.println("Timer has schedule the -------cleanUpTimerTask...");
}
}
Output:
scheduleDateTime = Mon Jan 14 10:15:02 IST 2019
Timer has schedule the -------cleanUpTimerTask...
Clean up files...
Timer has schedule the -------cleanUpTimerTask...
Clean up files...
Refer:
https://docs.oracle.com/javase/8/docs/api/index.html?java/util/TimerTask.html
https://docs.oracle.com/javase/8/docs/api/index.html?java/util/Timer.html
Click the below link to download the code:
https://sites.google.com/site/javaspringram2019/java_spring_2019/TimerDemo_Intro.zip?attredirects=0&d=1
Github Link:
https://github.com/ramram43210/Java_Spring_2019/tree/master/Java_2019/TimerDemo_Intro
Bitbucket Link:
https://bitbucket.org/ramram43210/java_spring_2019/src/2db5cd1f4e7d5ab55ad7af886d6164700143c614/Java_2019/TimerDemo_Intro/?at=master
See also:
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