Foo.java

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

public class Foo {

    public static void main(String... args) {
        final List<Book> books = Arrays.asList(
                new Book("50 Sheets with Stains"),
                new Book("Twitlight")
        );

        final ArrayList<Movie> movies = new ArrayList<>();

        // Convert and consume
        books.stream()
                .map(Foo::convert)
                .forEach(movies::add);

        // Show your work
        movies.forEach(System.out::println);

    }

    public static Movie convert(Book book) {
        return new Movie(book.getTitle());
    }

    public static class Book {
        private final String title;

        public Book(String title) {
            this.title = title;
        }

        public String getTitle() {
            return title;
        }
    }

    public static class Movie {
        private final String title;

        public Movie(String title) {
            this.title = title;
        }

        public String getTitle() {
            return title;
        }

        @Override
        public String toString() {
            return "Movie{" +
                    "title='" + title + '\'' +
                    '}';
        }
    }
}