- Java.util Package Classes
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- Java.util - Timer
- Java.util - TimerTask
- Java.util - TimeZone
- Java.util - TreeMap
- Java.util - TreeSet
- Java.util - UUID
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- Java.util Package Extras
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- Java.util - Discussion
java.util.Timer.schedule() Method
Description
The schedule(TimerTask task,long delay,long period) method is used to schedule the specified task for repeated fixed-delay execution, beginning after the specified delay.
Declaration
Following is the declaration for java.util.Timer.schedule() method.
public void schedule(TimerTask task,long delay,long period)
Parameters
task − This is the task to be scheduled.
delay − This is the delay in milliseconds before task is to be executed.
period − This is the time in milliseconds between successive task executions.
Return Value
NA
Exception
IllegalArgumentException − This exception is thrown if time.getTime() is negative.
IllegalStateException − This is thrown if task was already scheduled or cancelled, timer was cancelled, or timer thread terminated.
Example
The following example shows the usage of java.util.Timer.schedule()
package com.tutorialspoint; import java.util.*; public class TimerDemo { public static void main(String[] args) { // creating timer task, timer TimerTask tasknew = new TimerSchedulePeriod(); Timer timer = new Timer(); // scheduling the task at interval timer.schedule(tasknew,100, 100); } // this method performs the task public void run() { System.out.println("timer working"); } }
Let us compile and run the above program, this will produce the following result.
timer working timer working timer working timer working and so on ...