package lecture.multithreading.basics;

public class IsAliveExample {
    public static void main(String[] args) throws InterruptedException {
        Thread worker = new Thread(new Runnable() {
            @Override
            public void run() {
                System.out.println("👷 Worker started...");
                try {
                    Thread.sleep(15000); // Runs for 15 seconds
                } catch (InterruptedException e) {
                    e.printStackTrace();
                }
                System.out.println("👷 The worker is done!");
            }
        });

        System.out.println("before start: " + worker.isAlive()); // false

        worker.start();

        System.out.println("Immediately after start: " + worker.isAlive()); // true

        Thread.sleep(1000); // We wait 1 second
        System.out.println("After 1 second: " + worker.isAlive()); // true (still works)

        worker.join(); // We wait for the worker to finish

        System.out.println("After completion of work: " + worker.isAlive()); // false
    }
}