import io.reactivex.rxjava3.core.Observable;

import java.util.concurrent.TimeUnit;

public class Ch3_69 {

public static void main(String[] args) {

Observable.interval(2, TimeUnit.SECONDS)

.doOnNext(i -> System.out.println("Emitted: " + i))

.take(3)

.timeInterval(TimeUnit.SECONDS)

.subscribe(i -> System.out.println("Received: " + i));

sleep(7000);

}

private static void sleep(long millis) {

try {

Thread.sleep(millis);

} catch (InterruptedException e) {

e.printStackTrace();

}

}

}