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Spring Online Quiz
Following quiz provides Multiple Choice Questions (MCQs) related to Spring Framework. You will have to read all the given answers and click over the correct answer. If you are not sure about the answer then you can check the answer using Show Answer button. You can use Next Quiz button to check new set of questions in the quiz.
Answer : A
Explanation
AOP stands for Aspect Oriented Programming.
Q 2 - What is singleton scope?
A - This scopes the bean definition to a single instance per Spring IoC container.
B - This scopes the bean definition to a single instance per HTTP Request.
C - This scopes the bean definition to a single instance per HTTP Session.
D - This scopes the bean definition to a single instance per HTTP Application/ Global session.
Answer : A
Explanation
singleton scope instructs Spring IoC container to create a single instance per IoC container.
Q 3 - What is global-session scope?
A - This scopes a bean definition to an HTTP Application/ Global session.
B - This scopes the bean definition to Spring IoC container.
Answer : A
Explanation
global-session scope instructs Spring IoC container to create a instance per HTTP application.
Q 4 - What is autodetect mode of autowiring?
Answer : C
Explanation
In autodetect mode of autowiring spring first tries to wire using autowire by constructor, if it does not work, Spring tries to autowire by byType.
Q 5 - What is ContextClosedEvent event?
A - This event is published when the Servlet Context is either initialized or refreshed.
B - This event is published when the HTTP Request is received.
C - This event is published when the HTTP Response is returned.
Answer : D
Explanation
This event is published when the ApplicationContext is closed using the close() method on the ConfigurableApplicationContext interface.
Q 6 - What are the different points where weaving can be applied?
Answer : D
Explanation
Weaving can be applied at Compile time, load Time and Run time.
Q 7 - What is @Controller annotation?
A - The @Controller annotation indicates that a particular class serves the role of a controller.
B - The @Controller annotation indicates how to control the transaction management.
C - The @Controller annotation indicates how to control the dependency injection.
D - The @Controller annotation indicates how to control the aspect programming.
Answer : A
Explanation
The @Controller annotation indicates that a particular class serves the role of a controller.
Q 8 - Expression Language/ SpEL was introduced in which version of spring framework.
Answer : C
Explanation
Expression Language/ SpEL was introduced in 3.0 version of spring framework.
Q 9 - What is the scope of stateless bean?
Answer : B
Explanation
Stateless bean is of singleton scope.
Answer : A
Explanation
Both values and ref can be injected at a time in a bean.