Question 1

Which of the following statements is NOT true about Spring AOP? (Select one)

Accepted Answer

A)  "private" methods cannot be advised, but all other method visibilities can be 
B)  Proxy classes are created at startup time by default 
C)  The "After Throwing" advice type executes after the join point, but executes only if the advised method threw an exception 
D)  The "After" advice type is invoked regardless of whether a method successfully returned or an exception is thrown

Question 2

Which of the following statements is NOT true concerning Setter Injection or Constructor Injection? (Select one)

Accepted Answer

A)  Constructor injection is useful when you must have an instance of a dependency class before your component is used 
B)  Setter injection is useful if a component can provide its own defaults 
C)  Using the @Autowired annotation, setter injection also works when the setter method is private 
D)  Using setters promotes immutability

Question 3

State which type of object the JdbcTemplate can be used to query (select one)

Accepted Answer

A)  Simple types (int, long, String, etc) 
B)  Generic Maps 
C)  Domain Objects 
D)  All of the above

Question 4

Consider the following Spring Security configuration

In order to access to "/accounts/editAccount.htm", what role is required? (select one)

Accepted Answer

A)  ROLE_USER 
B)  ROLE_ADMIN 
C)  Both ROLE_USER and ROLE_ADMIN 
D)  No role is required

Question 5

Which of the following statement(s) is/are true concerning Spring Transactions? (Select one or several answers)

Accepted Answer

A)  Spring only provides support for declarative transaction management, there is no programmatic support 
B)  Spring provides declarative transactions only using XML 
C)  An AOP pointcut can be used to define which methods to advise for transactions 
D)  Spring's tx namespace enables a concise definition of transactional advice

Question 6

Which of the following statements best describes the After Throwing advice type? (select one)

Accepted Answer

A)  The advice is executed after a method invocation throws an exception 
B)  Custom processing can be performed before a join point executes 
C)  The advice is invoked only if the method returns successfully 
D)  The advice is designed to allow exceptions thrown from a join point to be caught and prevented from propagating up the stack

Question 7

Select which of the following configuration tasks would be implemented using Spring's XML "context" namespace (select one or several answers)

Accepted Answer

A)  Enabling component-scanning 
B)  Enabling the use of the @Transactional annotation 
C)  Enabling the use of the @Required, @PreDestroy and @PostConstruct annotations 
D)  Enabling the use of the @Around annotation

Question 8

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)

Accepted Answer

A)  The two references refer to different instances of the same type 
B)  Both references refer to the same bean instance 
C)  One of the references will be null 
D)  A RuntimeException will be thrown when the ApplicationContext is initialized

Question 9

Which of the following statements defines an "aspect"? (select one)

Accepted Answer

A)  An encapsulation of advice combined with a pointcut. 
B)  A point in the execution of a program such as a method call or field assignment 
C)  An expression that selects one or more join points 
D)  Code to be executed at a join point that has been selected by a Pointcut

Question 10

Given an ApplicationContext containing multiple bean definitions of a Java type "Foo", which of the following @Autowired scenarios will cause the ApplicationContext to FAIL to initialize? Assume that the ApplicationContext is configured to process the @Autowired annotations. (Select one)

Accepted Answer

A)  @Autowired public void setFoo(Foo aFoo) {} 
B)  @Autowired private Foo foo; 
C)  Both a and b 
D)  Neither a or b

Question 11

Which of the following is NOT true about the @RequestMapping annotation?  (select one)

Accepted Answer

A)  It is an annotation for mapping web requests to controller methods. 
B)  It is commonly used for component scanning purpose. 
C)  You can use it only with @Controller annotated classes.

Question 12

Which of the following statements is NOT true with respect to Spring's ApplicationContext? (select one)

Accepted Answer

A)  The ApplicationContext eagerly instantiates all singleton beans by default 
B)  There are many different implementation classes which all implement the ApplicationContext interface 
C)  When available, the close() method will cause any registered bean destruction code to be invoked 
D)  In a JUnit test using Spring support (with @ContextConfiguration annotation), it is necessary to close the ApplicationContext manually

Question 13

Identify the correct statement(s) regarding the following pointcut: execution(@com.springsource.MyCustomAnnotation void *(..))

Accepted Answer

A)  Spring does not support annotations inside its pointcut expression language 
B)  This will select join points representing void methods that are annotated by @com.springsource.MyCustomAnnotation 
C)  This will select join points representing methods that may have a public, protected or default visibility 
D)  This pointcut will in no situation ever be able to select any join points

Question 14

public class ClientServiceImpl implements ClientService { @Transactional(propagation=Propagation.REQUIRED) public void update1() { update2(); } @Transactional(propagation=Propagation.REQUIRES_NEW) public void update2() { // ... } You are using transactions with Spring AOP. What is happening when the update1 method is called? (Select one)

Accepted Answer

A)  There is only one transaction because the call to update2() is internal (it does not go through the proxy) 
B)  There is only one transaction because REQUIRES_NEW runs into the active transaction if one already exists 
C)  There are 2 transactions because REQUIRES_NEW always runs in a new transaction

Question 15

Which of the following statements about Spring @MVC is NOT true (select one)

Accepted Answer

A)  Classes annotated with @Controller annotation can be detected by component scanning and loaded as Spring beans 
B)  Data can be passed from the controller to the view by use of the special Model parameter 
C)  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 
D)  The DispatcherServlet, controller beans and other collaborators are all defined and configured in web.xml

Question 16

Using Spring AOP, which of the following Spring annotations cause behavior to be added (select one)

Accepted Answer

A)  @Secured 
B)  @Transactional 
C)  Both a and b 
D)  Neither a or b

Question 17

What is the primary purpose of bean definition inheritance? (Select one or several answers)

Accepted Answer

A)  To configure Java class inheritance dynamically within the XML bean definition file 
B)  To reduce the amount of configuration required by inheriting properties from other bean definitions 
C)  To allow Spring beans to be created on the fly from classes declared as abstract 
D)  To simplify configuration by allowing multiple properties files to be loaded in a hierarchy to specify bean properties

Question 18

@Transactional(timeout=60) public class ClientServiceImpl implements ClientService { @Transactional(timeout=30) public void update1() {} } What timeout setting is applied to the timeout inside the update1 method? (Select one)

Accepted Answer

A)  60 
B)  30 
C)  This will not compile. Attributes such as timeout, propagation and isolation cannot be declared at the class level 
D)  This will not compile. Attributes such as timeout, propagation and isolation cannot be declared at the method level

Question 19

Which statement is NOT a characteristic of Spring's PlatformTransactionManager base interface (select one)

Accepted Answer

A)  When declaring a PlatformTransactionManager implementation inside Spring configuration: as a requirement, the bean id should be "transactionManager" 
B)  The PlatformTransactionManager interface abstracts the differences between local and JTA transactions 
C)  There are various implementations of JTA transaction managers for different Java EE containers 
D)  PlatformTransactionManager is used in both declarative and programmatic transaction management

Question 20

Which of the following statements best describes the benefits of using the Spring Framework with respect to unit testing? (Select one)

Accepted Answer

A)  Your Java code typically has dependencies on Spring Framework classes which are designed to make the job of unit testing easier 
B)  The Spring Framework encourages you to program to interfaces which makes it easier to stub or mock out dependencies in your code 
C)  The extensive runtime checks performed by the ApplicationContext when it initializes make traditional unit testing less important 
D)  All of the above

Exam 1: Core-Spring (based on Spring 3.2)