java source code of ObservableErrorComplete

import io.reactivex.Observable;

import java.util.ArrayList;
import java.util.List;

public class ObservableErrorComplete {

    // Populate beer collection
    static List<Beer> loadCellar() {
        List<Beer> beerStock = new ArrayList<>();

        beerStock.add(new Beer("Stella", "Belgium", 7.75f));
        beerStock.add(new Beer("Sam Adams", "USA", 7.00f));
        beerStock.add(new Beer("Obolon", "Ukraine", 4.00f));
        beerStock.add(new Beer("Bud Light", "USA", 5.00f));
        beerStock.add(new Beer("Yuengling", "USA", 5.50f));
        beerStock.add(new Beer("Leffe Blonde", "Belgium", 8.75f));
        beerStock.add(new Beer("Chimay Blue", "Belgium", 10.00f));
        beerStock.add(new Beer("Brooklyn Lager", "USA", 8.25f));

        return beerStock;
    }

    public static void main(String[] args) {

        List<Beer> beers = loadCellar();  // populate the beer collection

        System.out.println("== Observable creation from an Iterable");

        Observable<Beer> observableBeer = Observable.fromIterable(beers);

        observableBeer.subscribe(
                beer -> System.out.println(beer),
                error -> System.err.println(error),
                () -> System.out.println("Streaming is over")
        );
    }
}