package com.packt.ch04.subscribers; import java.util.Arrays; import java.util.List; import org.reactivestreams.Subscriber; import org.reactivestreams.Subscription; import io.reactivex.Flowable; import io.reactivex.Observable; import io.reactivex.Observer; import io.reactivex.disposables.Disposable; public class MyObserver { public static void main(String[] args) { // TODO Auto-generated method stub Observable<Long>observable=Observable.rangeLong(1l,3l); Observer< Long> observer=new Observer<Long>() { @Override public void onComplete() { // TODO Auto-generated method stub System.out.println("on complete"); } @Override public void onError(Throwable throwable) { // TODO Auto-generated method stub throwable.printStackTrace(); } @Override public void onNext(Long value) { // TODO Auto-generated method stub System.out.println(""+value); } @Override public void onSubscribe(Disposable disposable) { // TODO Auto-generated method stub System.out.println(disposable.isDisposed()); disposable.dispose(); } }; observable.subscribe(observer); } }