Deck 1: Java GUI and Beans

Question 1

It is lightweight.It supports pluggable look and feel.It follows MVC (Model View Controller) architecture. The following specifies the advantages of

A)Swing
B)AWT
C)Both A & B
D)None of the above

Answer 1

Swing

Question 2

Swing is not a part of JFC (Java Foundation Classes) that is used to create GUI application?

A)True
B)False
C)none
D)all

Answer 2

True

Question 3

Which class provides many methods for graphics programming?

A)java.awt
B)java.Graphics
C)java.awt.Graphics
D)None of the above

Answer 3

java.awt.Graphics

Question 4

Implement the Listener interface and overrides its methods. Register the component with the Listener The Following steps are required to perform

A)Exception Handling
B)String Handling
C)Event Handling
D)None of the above

Question 5

The ActionListener interface is not used for handling action events?

A)True
B)False
C)none
D)all

Question 6

The ActionListener interface is used for handling action events,Forexample,it's used by a

A)JButton
B)JCheckbox
C)JMenuItem
D)All of these

Question 7

JFramemyFrame = new JFrame (); Any command (such as the one listed above) which creates a new object of a specific class (in this case a new JFrame object called myFrame) is generally called a ..

A)Constructor
B)Layout manager
C)Parameter
D)GUI

Question 8

MVC Architecture stands for

A) Model View Controller
B) Mode View Control
C) Maximum View Control
D) None

Question 9

Which is the container that doesn't contain title bar and MenuBars but it can have other components like button, textfieldetc?

A)Window
B)Frame
C)Panel
D)all the above

Question 10

Which is the passive control that do not support any interaction with the user?

A)JList
B)JLabel
C)JTable
D)JTree

Question 11

Component used for displaying data in tabular

A)JList
B)JTextArea
C)JTable
D)JTree

Question 12

Java Bean is a _____________ technology

A)Component
B)scripting
C)middle tier
D)None

Question 13

Manifest file is a special file that contains information about the files packed in

A)JAR file
B)(GIF)
C)(JPEG)
D)all the above

Question 14

Which of the following is not true about Java beans?

A)Implements java.io.Serializable interface
B)Extends java.io.Serializable class
C)Provides no argument constructor
D)Provides setter and getter methods for its properties

Question 15

Which file separator should be used by MANIFEST file?

A)/
B)\
C)-
D)//

Question 16

Which of the following is correct error when loading JAR file with duplicate name?

A)java.io.NullPointerException
B)java.lang.ClassNotFound
C)java.lang.ClassFormatError
D)java.lang.DuplicateClassError

Question 17

Java Beans are extremely secured?

A)True
B)False
C)none
D)all

Question 18

Which of the following is not a feature of Beans?

A)Introspection
B)Events
C)Persistence
D)Serialization

Question 19

Which services are provided to EJB components by the EJB container?

A)Transaction support
B)Persistence support
C)Naming support
D)All mentioned above

Question 20

Which case of a session bean obtains the UserTransaction object via the EJBContext using the getUserTransaction() method in EJB transaction management?

A)Bean-managed transactions
B)Container-managed transactions
C)Both A & B
D)None of the above

Question 21

EJB QL is a Query Language provided for navigation across a network of enterprise beans and dependent objects defined by means of container managed persistence.

A)True
B)False
C)none
D)all

Question 22

A message driven bean is like a stateful session bean that encapsulates the business logic and doesn't maintain state.

A)True
B)False
C)none
D)all

Question 23

Abbreviate the term JMS?

A)Java Message Service
B)Java Monitor Service
C)Java Message Session
D)Java Monitor Session

Question 24

JMS is mainly used to send and receive message from one application to another.

A)True
B)False
C)none
D)all

Question 25

Which session bean maintain their state between client invocations but are not required to maintain their state across server crashes or shutdowns?

A)Stateful Session Bean
B)Stateless Session Bean
C)Singleton Session Bean
D)None of the above