CoreSpringV3.2 試験問題を無料オンラインアクセス

Which of the following are valid mechanisms of autowiring a dependency when multiple beans match the dependency's type? (Select one or several answers)

• A.Use of the @Qualifier and @Autowired annotations together with setter methods
• B.Use of the @Qualifier annotation solely
• C.Use of the @Qualifier and @Autowired annotations together on a field

Spring puts each bean instance in a scope. The default scope is (select one)

• A.singleton (no matter which Dependency Injection style has been used)
• B.request
• C.singleton except when using Java Configuration
• D.prototype

Which is the correct statement regarding the relationship between a DispatcherServlet ApplicationContext and a root ApplicationContext (select one)

• A.The root ApplicationContext can reference beans in the DispatcherServlet Application context, but not vice-versa
• B.The DispatcherServlet ApplicationContext and root ApplicationContext are completely isolated and cannot reference each other's beans
• C.The DispatcherServlet ApplicationContext can reference beans in the root Application context, but not vice-versa
• D.The DispatcherServlet ApplicationContext and the root ApplicationContext can reference each other's beans

When injecting scalar/literal values into Spring beans, which of the following statements is true? (select one)

• A.Scalar values cannot be injected into setters or constructors with primitive type parameters
• B.All of the above
• C.In XML Spring configuration, you can inject scalar values using the ref attribute of the <property /> tag
• D.Spring performs automatic type conversion for certain data types, such as String to int

Which of the following statements about the FactoryBean interface is NOT true? (select one)

• A.FactoryBean is a Spring interface
• B.Factory objects used in Spring do not necessarily have to implement the FactoryBean interface
• C.A FactoryBean can be used to generate Spring beans of any type
• D.The Spring configuration <property name="someValue" ref="myFactoryBeanImpl"/> will ALWAYS inject the instance of the FactoryBean implementation