Package java.util

Class TimerTask

java.lang.Object
java.util.TimerTask
All Implemented Interfaces:
Runnable
public abstract class TimerTask
extends Object
implements Runnable
The TimerTask class represents a task to run at a specified time. The task may be run once or repeatedly.
See Also:
Timer, Object.wait(long)

  • Constructor Summary

    Constructors
    Modifier Constructor Description
    protected TimerTask()
    Creates a new TimerTask.

  • Method Summary

    Modifier and Type Method Description
    boolean cancel()
    Cancels the TimerTask and removes it from the Timer's queue.
    abstract void run()
    The task to run should be specified in the implementation of the run() method.
    long scheduledExecutionTime()
    Returns the scheduled execution time.

    Methods inherited from class java.lang.Object

    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

  • Constructor Details

    • TimerTask

      protected TimerTask()
      Creates a new TimerTask.

  • Method Details

    • cancel

      public boolean cancel()
      Cancels the TimerTask and removes it from the Timer's queue. Generally, it returns false if the call did not prevent a TimerTask from running at least once. Subsequent calls have no effect.
      Returns:
      true if the call prevented a scheduled execution from taking place, false otherwise.

    • scheduledExecutionTime

      public long scheduledExecutionTime()
      Returns the scheduled execution time. If the task execution is in progress it returns the execution time of the ongoing task. Tasks which have not yet run return an undefined value.
      Returns:
      the most recent execution time.

    • run

      public abstract void run()
      The task to run should be specified in the implementation of the run() method.
      Specified by:
      run in interface Runnable