Distributed solution - Comprehensive decryption of distributed task scheduling platform -xxljob

What is a scheduled task

Assign a time to perform the task

Java The way to achieve scheduled tasks

Thread

public class Demo01 {
	static long count = 0;
	public static void main(String[] args) {
		Runnable runnable = new Runnable() {
			@Override
			public void run() {
				while (true) {
					try {
						Thread.sleep(1000);
						count++;
						System.out.println(count);
					} catch (Exception e) {
						// TODO: handle exception
					}
				}
			}
		};
		Thread thread = new Thread(runnable);
		thread.start();
	}
}

TimerTask

/**
 *  Use TimerTask Class to implement timed tasks 
*/
public class Demo02 {
	static long count = 0;

	public static void main(String[] args) {
		TimerTask timerTask = new TimerTask() {

			@Override
			public void run() {
				count++;
				System.out.println(co