Spring Online Quiz

Q 1 - Which of the following is correct assertion about spring?

A - Spring enables developers to develop enterprise-class applications using POJOs.

B - Spring is organized in a modular fashion.

C - Testing an application written with spring is simple because environment-dependent code is moved into this framework.

D - All of above.

Q 2 - Which of the statement is correct?

A - The AOP module provides aspect-oriented programming implementation allowing you to define method-interceptors and pointcuts to cleanly decouple code that implements functionality that should be separated.

B - The Aspects module provides integration with AspectJ - Which is again a powerful and mature aspect oriented programming (AOP) framework.

C - The Instrumentation module provides class instrumentation support and class loader implementations to be used in certain application servers.

D - All of the above.

Q 3 - What is true about <props> collection configuration elements?

A - This helps in wiring a list of values, allowing duplicates.

B - This helps in wiring a list of values but without any duplicates.

C - This can be used to inject a collection of name-value pairs where name and value can be of any type.

D - This can be used to inject a collection of name-value pairs where the name and value are both Strings.

Q 4

Can you inject null and empty string values in Spring?

A - Yes

B - No

Q 5 - What is ContextStoppedEvent event?

A - This event is published when the Servlet Context is either initialized or refreshed.

B - This event is published when the ApplicationContext is stopped using the stop() method on the ConfigurableApplicationContext interface.

C - This event is published when the HTTP Request is received.

D - This event is published when the HTTP Response is returned.

Q 6 - What is Introduction?

A - An introduction represents a point in your application where you can plug-in AOP aspect.

B - This is used to inject values in objects.

C - This is not invoked during program execution by Spring AOP framework.

D - An introduction allows you to add new methods or attributes to existing classes.

Q 7 - Which ORM Spring supports ?

A - Hibernate

B - iBatis

C - JPA

D - All of above.

E - None of above.

Q 8 - Thread scoped bean is introduced in which version of spring framework.

A - 1.0

B - 2.0

C - 3.0

D - 4.0

Q 9 - How to handle shut down of IoC container?

A - Using shutdownHook()

B - Using shutdownHandler()

C - Using registerHook()

D - Using registerShutdownHook()

Q 10 - What BeanPostProcessor does?

A - It processes beans once a bean is initialized.

B - It defines callback methods that you can implement to provide your own instantiation logic, dependency-resolution logic etc.

C - It processes beans once a bean is loaded.

D - It processes beans once a bean exits.