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How to create a scheduled task using timer?

This example show you how to create a simple class for scheduling a task using Timer and TimerTask class.

package com.javacoderanch.example.util;

import java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Timer;
import java.util.TimerTask;

public class TimerExample extends TimerTask {
	private DateFormat formatter = new SimpleDateFormat("hh:mm:ss a");
	public static void main(String[] args) {
		// Create an instance of TimerTask implementor.
		TimerTask task = new TimerExample();
		// Create a new timer to schedule the TimerExample instance at a 
		// periodic time every 1000 milliseconds and start it immediately
		Timer timer = new Timer();
		timer.scheduleAtFixedRate(task, new Date(), 1000);
	 * This method is the implementation of a contract defined in the TimerTask
	 * class. This in the entry point of the task execution.
	public void run() {
		// To make the example simple we just print the current time.
		System.out.println(formatter.format(new Date()));