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</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</p> Signup and view all the answers

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

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

    What does CONCUR_UPDATABLE indicate about a ResultSet in JDBC concepts?

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

    How can a servlet be initialized?

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

    Identify the correct order of servlet lifecycle phases.

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

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

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

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

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

    Which listener is responsible for session attribute changes?

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

    What do Servlet Filters do in a web application?

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

    Which listener element is not mentioned in the context?

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

    What is the purpose of Autowire in Spring Dependency Injection?

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

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

    <p>Map</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</p> Signup and view all the answers

    What does the DependencyLookup methodology in Spring involve?

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

    Which collections elements does Spring support for configuration?

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

    In Spring, what does 'Scope' refer to?

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

    In Spring JDBC, which class provides transaction management?

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

    In Spring JDBC, what does the TransactionTemplate class provide?

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

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

    Signup and view all the answers

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