Spring Framework Quiz # 3

What does the @Valid as part of JSR-303 mean?

input will be validated using registered validators for that type

sent to the database for constraint validation

uses Spring Security to validate security constraints

What is the role of the @PostConstruct and @PreDestroy annotations?

They are enterprise level constructors

You force in GC when something happens

None of these

Similar to init and destroy method

Which of the following is BAD practice, in general?

minimizing inter-dependencies between beans

continuous integration

all beans are prototype scope

Which of the following best describes @Order annotation?

Guides autowiring to be performed by means other than by type

Specifies the scope of a bean

Typically used to inject the properties of domain objects

Defines ordering as an alternative to implementing the org. springframework.core.Ordered interface

Which is an embedded database supported by Spring?

Oracle

MySQL

HSQL

PostgreSQL

Which of the following is an advantage of using Spring's transaction management?

can easily switch between JTA and regular transactions

you can customize the lifecycle

it's faster

forces you to use Hibernate

What is the default scope of a Spring bean?

Prototype

Abstract

None of these

Singleton

Session

In Spring MVC, what is responsible for handling HTTP requests and responses?

SpringController

DispatcherServlet

HttpServlet

RequestHandler

What are the different types of bean injection?

By constructor, By builder

By setter, By getter

By setter, By constructor ,By builder

By setter, By constructor

Exceptions thrown by the Spring DAO classes are subclasses of which?

DataException

DAOException

DataAccessException

AccessException

True or False? Spring supports joda-time.

FALSE

True

What is the @Valid annotation used for?

In tests to verify objects

Validating @Controller inputs

In mock objects

What does the ${...} placeholder usually signify?

value is a HTTP parameter

Java system property

property is read from a configuration file

If a Spring bean implements BeanFactoryAware, which method is called with the bean instance?

setInstance()

setBeanFactory()

setFactory()

setBeanInstance()

Spring's caching support does what?

abstracts a variety of different caching implementations

is not thread-safe

provides its own caching implementation

Which of the following correctly describes JobLauncher?

It provides parameters that are used by the JobInstance

It stores JobInstances and JobExecutions

It helps in launching a job and uses JobRepository to obtain a valid JobExecution

It represents a running instance of a Job

Spring's JdbcTemplate is central class to interact with a database through JDBC. How can it be created?

JdbcTemplate template = new JdbcTemplate(myDatabase);

JdbcTemplate template = new JdbcTemplate(myConnection);

JdbcTemplate template = new JdbcTemplate();

JdbcTemplate template = new JdbcTemplate(myDataSource);

How does Spring handle XML marshalling/unmarshalling?

provides its own fast, easy XML marshaller/unmarshaller

wraps a variety of libraries, including Jackson and JAXB

does not support marshalling/unmarshalling

Which of the following annotations can be used to declare a bean in Spring?

@Componet, @Controller, @Service, and @Repository

@Component, @Controller, and @Service

@Component

@Component and @Controller

By default when singleton bean is instantiated?

app context is created

when bean is accessed

in compile-time

How can you instantiate BeanFactory?

Using FileSystemXmlApplicationContext.

Using XmlFileApplicationContext.

Using ClassPathXmlApplicationContext.

Using FileSystemXmlApplicationContext or ClassPathXmlApplicationContext.

To enable MVC Java config, @EnableWebMvc should be used with which of following annotation?

@Resource

@Controller

@Configuration

@Componet

Which of these is NOT a Spring Bean Scope?

singleton

response

request

session

prototype

Imagine I have multiple classes that have similar properties; what's a good way of handling this situation without copy/pasting the bean definitions?

use bean inheritance

write some code

use AOP

write a custom BeanResolver

True or False? Spring Integration is a part of the Spring framework you must use if you want to use beans.

False

TRUE

True or False - @Inject is part of Spring Framework

True

False

Which of the following is NOT a method of using transactions in Spring?

proxies

declaratively

programmaticly

Which if the most common scope for DAO beans?

session

singleton

request

prototype

Which of these is NOT a Spring annotation?

@Component

@Controller

@Service

@View

@Aspect

In "<property name="initialShapeSeed" value="#{ numberGuess.randomNumber }"/>", what is the name of the notation used to define the value of the property?

DAO

SpEL

JSP

JSF