builder in java8

gistfile1.java

import java.util.function.Consumer;

/**
 * @author Khaled Ayoubi
 */
public class BookBuilder {
    private Book book;
    private BookBuilder() {
        this.book = new Book();
    }

    public BookBuilder name(String name) {
        book.setName(name);
        return this;
    }

    public BookBuilder author(String author) {
        book.setAuthor(author);
        return this;
    }

    public BookBuilder year(int year) {
        book.setYear(year);
        return this;
    }
    
    public static Book build(Consumer<BookBuilder> consumer) {
        BookBuilder builder = new BookBuilder();
        consumer.accept(builder);
        return builder.book;
    }

    public static void main(String[] args) {
        BookBuilder.build(b -> b.name("nice book").author("khaled").year(2222));
    }
}