Java Application Lifecycle and Annotations MCQs Questions

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What is the purpose of the `@Produces` annotation in Java EE applications?

A) To define JavaBean properties B) To execute SQL queries C) To specify the media type produced by a resource method D) To create JavaBeans

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Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

In a Java web application, what is the role of the `@MultipartConfig` annotation?

A) To execute SQL queries B) To enable support for file uploads in a servlet C) To create JavaBeans D) None of These

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Answer & Solution

Answer: Option B

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What is the purpose of the `@AroundInvoke` annotation in Java EE applications?

A) To create JavaBeans B) To execute SQL queries C) To intercept business method invocations D) To define JavaBean properties

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Answer & Solution

Answer: Option C

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In a Java EE application, what is the primary role of the `@Stateless` annotation?

A) To define JavaBean properties B) To execute SQL queries C) To create JavaBeans D) To indicate that a class is a stateless session bean

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Answer & Solution

Answer: Option D

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Which annotation is used to specify the URL pattern for a servlet in a Java web application?

A) `@WebServlet` B) `@WebFilter` C) `@WebListener` D) `@RequestMapping`

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Answer & Solution

Answer: Option A

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What is the purpose of the `@PersistenceUnit` annotation in Java EE applications?

A) To create JavaBeans B) To execute SQL queries C) To define JavaBean properties D) To inject a reference to a persistence unit

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Answer & Solution

Answer: Option D

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In Java web applications, what is the purpose of the `@SessionScoped` annotation?

A) To define JavaBean properties B) To execute SQL queries C) To indicate that a bean's scope is limited to a user session D) To create JavaBeans

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Answer & Solution

Answer: Option C

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Which annotation is used to declare a listener for HTTP session events in a Java web application?

A) `@WebServlet` B) `@WebListener` C) `@RequestScoped` D) None of These

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Answer & Solution

Answer: Option B

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What is the purpose of the `@Path` annotation in JAX-RS (Java API for RESTful Web Services) applications?

A) To create JavaBeans B) To execute SQL queries C) To specify the base URI for a resource class or method D) To define JavaBean properties

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Answer & Solution

Answer: Option C

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In Java EE applications, what does the `@Remote` annotation indicate?

A) To define JavaBean properties B) To execute SQL queries C) To create JavaBeans D) That a bean exposes a remote business interface

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Answer & Solution

Answer: Option D

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Java Application Lifecycle and Annotations MCQs Questions | Java Program MCQs