114 Finals

Length attribute of @Column annotation permits the size of the column used to map a value particularly for a String value.

True

False

A Session is used to get a physical connection with a database.

False

True

Is name attribute of @Column annotation permits the name of the column to be explicitly specified.

True

False

Session.createCriteria creates a new Criteria instance, for the given entity class, or a superclass of an entity class

False

True

Configuration object is used to create SessionFactory object in hibernate.

True

False

Session.beginTransaction method begins a unit of work and returns the associated Transaction object.

False

True

Session.createSQLQuery creates a new instance of Query for the given HQL query string.

True

False

A class that is labeled as @Embedabble must also be reflected or indicated in the hibernate.cfg.xml.

False

True

Struts2 offers integrated profiling to debug and profile the application.

True

False

Struts2 is popular and mature web application framework based on the MVC design pattern.

True

False

Struts uses the DOJO framework for the AJAX tag implementation.

False

True

Combing @Id and @Transient annotations on a particular field attribute in an Entity class is valid.

True

False

For the Hibernate persistent classes, it must have a default no-argument constructor for your persistent classes and there should be getXXX() (i.e accessor/getter) and setXXX( I.e. mutator/setter) methods for all your persistable instance variables.

True

False

The name property is valid attribute of the annotation @Transient.

True

False

In which model a Java application talks directly to the data source?

Three-tier Model

Two-tier Model

One-tier Model

Four-tier Model

Struts 2 is based on technologies like ______________.

Based on JDBC and SQL technologies

Based on Java Servlets and JSP technologies.

Based on HQL and Hibernate technologies.

Based on Java MVC.

In Connection interface which method Drops all changes made since the previous commit/rollback?

Close()

Save()

Rollback()

Commit()

Which of the following is first step to create a JDBC application?

Create Connection Object

Execute SQL statements

Connect to the Database

Import the package

Which is the file that we modify that will act as the dispatcher filter?

Web.xml

Hibernate.cfg.xml

Struts.xml

None of the above.

What is the return type of the execute()?

ArrayList

Integer

String

StringArray

The ____________ which called after filters, before action methods, apply common functionalities like validation, conversion etc.

GENERATORS

STATEMENTS

INTERCEPTORS

8. What is the minimum Servlet API version that you will use to implement Struts 2 web framework?

Servlet API 2.4

Servlet API 2.3

Servlet API 2.2

Servlet API 2.5

Which statements about JDBC are true?

JDBC Stands for Java Database Connectivity JDBC is an application that connects jsp to java servlets.

JDBC Stands for Java Database Connectivity JDBC is an API to access queries

JDBC Stands for Java Database Connectivity JDBC is an API to access relational databases, spreadsheets and flat files.

How can you retrieve information from a ResultSet?

By invoking the special getter methods on the resultset: getString(); getBoolean(), getClob()

By invoking the special getter methods on the resultset: getStringArray(); getArrayList(), getAttribute()

By invoking the special getter methods on the resultset: getValue(); getInt(), getList()

A JDBC driver is a software component enabling a Java application to interact with a

JSP

Servlet

Java Class

Database

Which type of Statement can execute parameterized queries?

CreateStatement

PreparedStatement

Statement

Which of the following statements is/are false as far as different type of statements is concerned in JDBC?

ConnectionPool

Datababase

Statements

Which of the following methods are needed for loading a database driver in JDBC?

RegisterDriver() method Class.forName()

Driver() method Class.Name()

RegisterDriver() Class.Name()

Which of the following holds data retrieved from a database after you execute an SQL query using Statement objects?

ArrayList

String

ResultSet

Which of the following is/are not a component/class of JDBC API? Interim Statement Which packages contain the JDBC classes?

Hibernate / struts

Java.sql / Javax.sql

Jsp / servlet

Which of the following is correct about the Model Objects?

The current model object is placed after the action on the value stack.

The current model object is placed before the action on the value stack.

Which of the following is not a part of Struts architecture?

Struts.xml

@Entity

MDBs

Which of the following tag generates an iterator based on the val attribute supplied?

Generator Tag

Bean tag

Url tag

Which method is used to remove a persistent instance from the datastore?

Session.delete()

Session.create()

Session.add()

Annotation that defines a class whose instances are stored as an intrinsic part of an owning entity and share the identity of the entity.

@Element

@Embeddable

@Id

Which of the following are most common configuration methods of Hibernate Configuration?

XML Config with hibernate.cfg.xml

XML Config with struts.xml

114 Finals

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