import io.reactivex.rxjava3.core.Observable;

import io.reactivex.rxjava3.disposables.Disposable;

import java.util.concurrent.TimeUnit;

public class Ch2_33 {

public static void main(String[] args) {

Observable<Long> seconds =

Observable.interval(1, TimeUnit.SECONDS);

Disposable disposable =

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

//sleep 5 seconds

sleep(5000);

//dispose and stop emissions

disposable.dispose();

//sleep 5 seconds to prove

//there are no more emissions

sleep(5000);

}

private static void sleep(int millis) {

try {

Thread.sleep(millis);

} catch (InterruptedException e) {

e.printStackTrace();

}

}

}