CODEWITHSUNDEEP
java
Manuel Selva
Manuel Selva

Reputation: 19050

Java Thread every X seconds

What is the easiest way to have a piece of Java code scheduled at a given rate ?

Upvotes: 43

Views: 60063

Answers (4)

developmentalinsanity
developmentalinsanity

Reputation: 6229

By using a ScheduledExecutorService.

Have a look at Executors.newScheduledThreadPool. It will allow you to created a ScheduledExecutorService which lets you submit Runnables to be executed at regular intervals.

Upvotes: 8

Ramesh Thangaraj
Ramesh Thangaraj

Reputation: 343

Use below code :

Timer timer = new Timer(); 
timer.schedule( new TimerTask() 
{ 
    public void run() { 
    // do your work 
    } 
}, 0, 60*(1000*1));

Upvotes: 5

flamming_python
flamming_python

Reputation: 716

while (true) {
    thread.sleep(1000)
    method();
}

In many cases there will be better alternatives. But this is the easiest way to implement a regular execution of your method() at an interval of 1000ms + n (where n is the amount of time spent executing method())

Of course instead of 1000, you can put any millisecond value you desire. It could also be an idea to implement the while loop on a flag that another thread controls; so that there is an way to stop execution of the loop without having to kill the program.

Upvotes: 7

cletus
cletus

Reputation: 625087

In Java 5+ with a ScheduledExecutorService:

ScheduledExecutorService exec = Executors.newSingleThreadScheduledExecutor();
exec.scheduleAtFixedRate(new Runnable() {
  @Override
  public void run() {
    // do stuff
  }
}, 0, 5, TimeUnit.SECONDS);

The above method is favoured. Prior to Java 5 you used Timer and TimerTask:

timer.scheduleAtFixedRate(new TimerTask() {
  @Override
  public void run() {
    // do staff
  }
}, 0, 5000);

Upvotes: 96

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