JSTL and JDBC Basic Concepts Quiz
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Questions and Answers

What is the correct way to register a database driver according to the text?

  • Utilizing the `db.sql` package
  • Calling the `Connection.sql` method
  • Invoking the `DriverManager.registerDriver()` method (correct)
  • Using the `pkg.sql` package

In JDBC concepts, what does READ_ONLY signify regarding a ResultSet?

  • ResultSet
  • ResultSet.CONCUR_UPDATABLE
  • ResultSet.CONCUR_READ_ONLY
  • ResultSet.READ_ONLY (correct)

Which method is incorrectly described regarding DriverManager.registerDriver()?

  • Intended to be used for registering the database driver
  • Used for processing query results (correct)
  • Registers the database driver
  • Static method for non-JDK compliant JVMs

How many numbers are printed when executing the given JSTL code fragment?

<p>2 (C)</p> Signup and view all the answers

Which package contains classes for connecting to a database and sending SQL statements according to JDBC basics?

<p>java.sql (D)</p> Signup and view all the answers

What is the purpose of the 'doPost' method in a servlet?

<p>To handle HTTP POST requests (C)</p> Signup and view all the answers

What does CONCUR_UPDATABLE indicate about a ResultSet in JDBC concepts?

<p>ResultSet.CONCUR_UPDATABLE (D)</p> Signup and view all the answers

Which method of 'HttpServletResponse' can be used to get the appropriate Writer/Stream object for sending binary output?

<p>getOutputStream (C)</p> Signup and view all the answers

How can a servlet be initialized?

<p>By using constructor (C)</p> Signup and view all the answers

Identify the correct order of servlet lifecycle phases.

<p>init, servlet instance, servlet loading, service, destroy (B)</p> Signup and view all the answers

Which method is used to redirect the response from a servlet to a JSP page?

<p>response.sendRedirect() (D)</p> Signup and view all the answers

In a servlet, what does the 'doGet' method do?

<p>Handles GET requests (C)</p> Signup and view all the answers

What is the purpose of Ser v l et Cont ext Li st ener s?

<p>To process context creation and destruction (B)</p> Signup and view all the answers

Which element is a valid listener in the context of sessions?

<p>com.example.ListenerB (B)</p> Signup and view all the answers

What will be the order of execution of the test classes annotated with JUnit if they are run as a suite?

<p>AnnotationsTests.class, AssertTests.class, CalculateTest.class, EmployeeTest (C)</p> Signup and view all the answers

Which listener is responsible for session attribute changes?

<p>Session Listeners (B)</p> Signup and view all the answers

What do Servlet Filters do in a web application?

<p>Manage servlet exceptions (B)</p> Signup and view all the answers

Which listener element is not mentioned in the context?

<p>com.example.ListenerA (C)</p> Signup and view all the answers

What is the purpose of Autowire in Spring Dependency Injection?

<p>To discover dependencies automatically (B)</p> Signup and view all the answers

Which Java utility class is commonly used to store key-value pairs in Spring applications?

<p>Map (D)</p> Signup and view all the answers

What is the main difference between ClassPathXmlApplicationContext and FileSystemXmlApplicationContext in Spring?

<p>The first reads from application classpath and the second reads from an absolute file path (A)</p> Signup and view all the answers

What does the DependencyLookup methodology in Spring involve?

<p>Obtaining resources only when they are needed (C)</p> Signup and view all the answers

Which collections elements does Spring support for configuration?

<p>List, set, map, and props (A)</p> Signup and view all the answers

In Spring, what does 'Scope' refer to?

<p>The lifetime and visibility of a bean instance (A)</p> Signup and view all the answers

In Spring JDBC, which class provides transaction management?

<p>TransactionService class (C)</p> Signup and view all the answers

Assuming @Transactional annotation support is enabled, what is the behavior of the 'add' method in the given Spring AOP proxy code snippet?

<p>The add() method executes code in a new transaction. (C)</p> Signup and view all the answers

Which method should be invoked on the connection object in Spring JDBC to ensure that the user-managed transaction has been explicitly committed?

<p>commit() (A)</p> Signup and view all the answers

What is the effect of specifying @Transactional on a method in Spring?

<p>It ensures that the method runs within a transactional context. (C)</p> Signup and view all the answers

In Spring JDBC, what does the TransactionTemplate class provide?

<p>Methods for manual transaction handling (D)</p> Signup and view all the answers

When using Spring ORM and MVC together, what element must be used to configure Spring MVC?

<p>(D)</p> Signup and view all the answers

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