Main.java Source code

Introduction

Here is the source code for Main.java

Source

import java.time.LocalDateTime;
import java.time.format.DateTimeFormatter;
import java.util.concurrent.ScheduledThreadPoolExecutor;
import java.util.concurrent.TimeUnit;

public class Main {

    public static void main(String[] args) {
        DateTimeFormatter formatter = DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss");

        ScheduledThreadPoolExecutor scheduledThreadPoolExecutor = new ScheduledThreadPoolExecutor(2);
        scheduledThreadPoolExecutor.scheduleAtFixedRate(() -> {

            throw new RuntimeException(" scheduleAtFixedRate test ScheduledThreadPoolExecutor");
        }, 0, 3000, TimeUnit.MILLISECONDS);

        scheduledThreadPoolExecutor.scheduleAtFixedRate(() -> {

            System.out.println("scheduleAtFixedRate: " + LocalDateTime.now().format(formatter));
        }, 0, 2000, TimeUnit.MILLISECONDS);

        scheduledThreadPoolExecutor.schedule(() -> {

            System.out.println("schedule");
        }, 1, TimeUnit.SECONDS);
    }

}