How to create a method that will work automatically once a day

Question

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How to schedule a periodic task in Java?

I need to write a method (in a thread) that will work automatically everyday at 00:05. (method will be run on server).

I've looked it up in Google and on this site but all results were about different languages (mostly C#). How do I achieve that in Java?

Does it have to be Java? Can you just use cron (Linux) or crontab (Windows)? — PinkElephantsOnParade, Jan 22 '13 at 16:37
Is the program going to run all day and only execute at 00:05? Or does it do other operations? — Grambot, Jan 22 '13 at 16:38
it has to be JAVA. i need to run a specific task on my DB at 00:05... the server itself is running all day long. — ronn jack, Jan 22 '13 at 16:39

score 2 · Answer 1 · answered Jan 22 '13 at 16:41

2

It could be useful to take a look to Quartz project.

Here you can find some examples.

answered Jan 22 '13 at 16:41

davioooh

score 0 · Answer 2 · answered Jan 22 '13 at 16:39

Use a scheduler executor service; it has an option to run a task periodically (fixed rate). This should help you get started.

You should explore a third party library like quartz if you expect your scheduler based requirements to get complicated or grow.

score 0 · Answer 3 · answered Jan 22 '13 at 16:45

0

If you are using Java EE, you can use the TimerService, here is a tutorial: http://docs.oracle.com/javaee/6/tutorial/doc/bnboy.html

answered Jan 22 '13 at 16:45

Rafael Sisto

score 0 · Answer 4 · answered Jan 22 '13 at 16:45

There are a number of approaches you could take. Look at the Java API for a java solution without a lot of dependencies.

You could also use Spring to leverage additional capabilities, and a more streamlined approach as is listed is this bit of documentation.

4 Answers4