SpringSource CoreSpringV3.2 問題集

質問 1：
Which of the following is NOT true about the @RequestMapping annotation? (select one)
A. It is commonly used for component scanning purpose.
B. It is an annotation for mapping web requests to controller methods.
C. You can use it only with @Controller annotated classes.
正解：A

質問 2：
Identify which statement indicates potential advantages of using Spring's Dependency Injection (select one)
A. Dependencies between application components can be managed external to the components themselves
B. Integration testing is made easier because different components used for testing can easily be injected
C. Configuration can be externalized and centralized in a small set of files
D. All of the above
正解：D

質問 3：
Two beans of type MyBean are defined in the ApplicationContext with singleton scope, with ids "myBean1" and "myBean2". The getBean() method is called once for each bean. Which statement is true about the two references returned? (Select one)
A. Both references refer to the same bean instance
B. One of the references will be null
C. The two references refer to different instances of the same type
D. A RuntimeException will be thrown when the ApplicationContext is initialized
正解：C

質問 4：
Consider that all Spring beans have been declared within a package called "com.springsource.service".
To enable component scanning one must do the following:
A. Add <context:annotation-config/> to your XML configuration
B. Add <context:component-scan base-package="com.springsource.service"/> to your XML configuration
C. Remove all other bean definitions from the XML configuration
D. Nothing (component scanning is enabled by default)
正解：B

質問 5：
Select which statement is true with respect to constructor injection with Spring (select one)
A. One single bean cannot mix constructor injection with setter injection
B. Using XML configuration, the constructor-arg element may be omitted if the constructor requires a single parameter
C. Multiple parameters can be dependency injected into a constructor
D. All of the above
正解：C

質問 6：
Which of the following statements is NOT a characteristic of Spring Transaction Management? (Select one)
A. It simplifies migration to distributed transactions
B. Both declarative and programmatic transaction management is supported
C. It abstracts the differences between local and JTA transactions
D. The use of JTA transactions is a requirement
正解：D

質問 7：
Which of the following statements about Spring @MVC is NOT true (select one)
A. The DispatcherServlet, controller beans and other collaborators are all defined and configured in web.xml
B. Controllers are typically able to delegate to business methods in an application because a reference to a service bean can be injected into the controller
C. Classes annotated with @Controller annotation can be detected by component scanning and loaded as Spring beans
D. Data can be passed from the controller to the view by use of the special Model parameter
正解：A

質問 8：
Which of the following scenarios requires you to instantiate an ApplicationContext using the 'new' keyword? (Select one)
A. Running your Spring application inside a JUnit test (using SpringJUnit4ClassRunner)
B. Bootstrapping your Spring application within a Java main() method
C. Deploying your Spring application in an application server, packaged in a WAR file
D. Both a and b
正解：B