content: package com.bookstore;
  
  import com.bookstore.dto.BookstoreDto;
  import com.bookstore.service.BookstoreService;
  import java.util.List;
  import org.springframework.boot.ApplicationRunner;
  import org.springframework.boot.SpringApplication;
  import org.springframework.boot.autoconfigure.SpringBootApplication;
  import org.springframework.context.annotation.Bean;
  
  @SpringBootApplication
  public class MainApplication {
      
      private final BookstoreService bookstoreService;
  
      public MainApplication(BookstoreService bookstoreService) {
          this.bookstoreService = bookstoreService;
      }        
  
      public static void main(String[] args) {
          SpringApplication.run(MainApplication.class, args);
      }
  
      @Bean
      public ApplicationRunner init() {
          return args -> {            
              List<BookstoreDto> result = bookstoreService.fetchAuthorNameBookTitleWithPrice(42);
              
              result.forEach(r -> System.out.println("Author: " + r.getName() + "  Title: " + r.getTitle()));
          };
      }
  }
  