Codersarts HTML Tutorial

import java.util.Random;
import java.util.concurrent.CountDownLatch;
                    
public class CountDownLatchTest {
                    
    public static void main(String[] args) {
        CountDownLatch latch = new CountDownLatch(3);
        Random random = new Random();
                    
        Workers firstWorker = new Workers("firstWorker",latch, random.nextInt(5000));
        Workers secondWorker = new Workers("secondWorker",latch, random.nextInt(5000));
        Workers thirdWorker = new Workers("thirdWorker",latch, random.nextInt(5000));
                   
        new Thread(firstWorker, "WT-11").start();
        new Thread(secondWorker, "WT-22").start();
        new Thread(thirdWorker, "WT-33").start();
                    
        try {
            latch.await();
        } catch (InterruptedException e) {
            e.printStackTrace();
        }
                    
        System.out.println("Finishing the Main Method");
    }
                    
}

import java.util.concurrent.CountDownLatch;
                    
public class Workers implements Runnable{
    private CountDownLatch latch;
    private int delay;
    private String name;
                    
    public Workers(String name,CountDownLatch latch, int delay) {
        this.latch = latch;
        this.delay = delay;
        this.name = name;
    }
                    
    @Override
    public void run() {
        String name = Thread.currentThread().getName();
        int delay = this.delay;
                    
        System.out.println(name + " sleeping for " + delay + " milliseconds.");
        try {
            Thread.sleep(delay);
        } catch (InterruptedException e) {
        e.printStackTrace();
    }
    this.latch.countDown();
    System.out.println(name + " finished");
                    
    }
}

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