JAVA interview question set 13 : Question 1 of 100

Which of the following action variable is used to include a file in JSP? Which of the following action variable is used to include a file in JSP?

1 Mark(s)

jsp:setProperty
jsp:getProperty
jsp:include
jsp:plugin

SessionIDs are stored in cookies. SessionIDs are stored in cookies.

1 Mark(s)

TRUE
FALSE
TRUE
FALSE

Which of the following is method of JDBC batch process? Which of the following is method of JDBC batch process?

1 Mark(s)

setBatch()
deleteBatch()
removeBatch()
addBatch()

Which design pattern represents a way to access all the objects in a collection?

1 Mark(s)

Iterator pattern
Facade pattern
Builder pattern
Bridge pattern

Is design pattern a logical concept.

1 Mark(s)

TRUE
FALSE

What happens if IP Address of host cannot be determined? What happens if IP Address of host cannot be determined?

1 Mark(s)

The system exit with no message
UnknownHostException is thrown
IOException is thrown
Temporary IP Address is assigned

Which design pattern works on data and action taken based on data provided? Which design pattern works on data and action taken based on data provided?

1 Mark(s)

Command pattern
Singleton pattern
MVC pattern
Facade pattern

request” is instance of which one of the following classes? request” is instance of which one of the following classes?

1 Mark(s)

Request
HttpRequest
HttpServletRequest
ServletRequest

How are java web applications packaged? How are java web applications packaged?

1 Mark(s)

jar
war
zip
both jar and war

Which mode allows us to run program interactively while watching source code and variables during execution? Which mode allows us to run program interactively while watching source code and variables during execution?

1 Mark(s)

safe mode
debug mode
successfully run mode
exception mode

Which of the following is not a directive in JSP? Which of the following is not a directive in JSP?

1 Mark(s)

page directive
include directive
taglib directive
command directive

Application is instance of which class? Application is instance of which class?

1 Mark(s)

javax.servlet.Application
javax.servlet.HttpContext
javax.servlet.Context
javax.servlet.ServletContext

Which of the following is stored on the client-side? Which of the following is stored on the client-side?

1 Mark(s)

URL rewriting
Hidden form fields
SSL sessions
Cookies

Which attribute uniquely identification element? Which attribute uniquely identification element?

1 Mark(s)

ID
Class
Name
Scope

Which of the below is not a session tracking method? Which of the below is not a session tracking method?

1 Mark(s)

URL rewriting
History
Cookies
SSL sessions

How can we connect to database in a web application? How can we connect to database in a web application?

1 Mark(s)

oracle sql developer
toad
JDBC template
mysql

Which method is used to get three-letter abbreviation for locale’s country in servlets? Which method is used to get three-letter abbreviation for locale’s country in servlets?

1 Mark(s)

Request.getISO3Country()
Locale.getISO3Country()
Response.getISO3Country()
Local.retrieveISO3Country()

How can we invalidate a session? How can we invalidate a session?

1 Mark(s)

session.discontinue()
session.invalidate()
session.disconnect()
session.falsify()

Which tag should be used to pass information from JSP to included JSP? Which tag should be used to pass information from JSP to included JSP?

1 Mark(s)

Using <%jsp:page> tag
Using <%jsp:param> tag
Using <%jsp:import> tag
Using <%jsp:useBean> tag

Which of the following leads to high network traffic? Which of the following leads to high network traffic?

1 Mark(s)

URL rewriting
Hidden form fields
SSL sessions
Cookies

Which option is true about session scope? Which option is true about session scope?

1 Mark(s)

Objects are accessible only from the page in which they are created
Objects are accessible only from the pages which are in same session
Objects are accessible only from the pages which are processing the same request
Objects are accessible only from the pages which reside in same application

What happens when the value of variable change?

1 Mark(s)

changed value pop on the screen
variable changes are printed in logs
dump of variable changes are printed on the screen on end of execution
variable tab shows variables highlighted when values change

What happens when the value of variable change?

1 Mark(s)

changed value pop on the screen
variable changes are printed in logs
dump of variable changes are printed on the screen on end of execution
variable tab shows variables highlighted when values change

Which of the below can be used to debug front end of a web application? Which of the below can be used to debug front end of a web application?

1 Mark(s)

Junit
Fitnesse
Firebug
Mockito

How can we move from one desired step to another step? How can we move from one desired step to another step?

1 Mark(s)

breakpoints
System.out.println
logger.log
logger.error

Which view allows us to delete and deactivate breakpoints and watchpoints? Which view allows us to delete and deactivate breakpoints and watchpoints?

1 Mark(s)

breakpoint view
variable view
debug view
logger view

Which one is the correct order of phases in JSP life cycle? Which one is the correct order of phases in JSP life cycle?

1 Mark(s)

Initialization, Cleanup, Compilation, Execution
Initialization, Compilation, Cleanup, Execution
Compilation, Initialization, Execution, Cleanup
Cleanup, Compilation, Initialization, Execution

How does applet and servlet communicate? How does applet and servlet communicate?

1 Mark(s)

HTTP
HTTPS
FTP
HTTP Tunneling

What does MIME stand for? What does MIME stand for?

1 Mark(s)

Multipurpose Internet Messaging Extension
Multipurpose Internet Mail Extension
Multipurpose Internet Media Extension
Multipurpose Internet Mass Extension

What does bind() method of ServerSocket offer? What does bind() method of ServerSocket offer?

1 Mark(s)

binds the serversocket to a specific address (IP Address and port)
binds the server and client browser
binds the server socket to the JVM
binds the port to the JVM

Which one of the following is correct for directive in JSP? Which one of the following is correct for directive in JSP?

1 Mark(s)

<%@directive%>
<%!directive%>
<%directive%>
<%=directive%>

Which design pattern provides a single class which provides simplified methods required by client and delegates call to those methods?

1 Mark(s)

Adapter pattern
Builder pattern
Facade pattern
Prototype pattern

Servlet are used to program which component in a web application? Servlet are used to program which component in a web application?

1 Mark(s)

client
server
tomcat
applet

How is the dynamic interception of requests and responses to transform the information done? How is the dynamic interception of requests and responses to transform the information done?

1 Mark(s)

servlet container
servlet config
servlet context
servlet filter

Which of the following is not a marker interface? Which of the following is not a marker interface?

1 Mark(s)

Serializable
Cloneable
Remote
Reader

Which view allows us to delete and deactivate breakpoints and watchpoints?

1 Mark(s)

breakpoint view
variable view
debug view
logger view

What does MVC pattern stands for? What does MVC pattern stands for?

1 Mark(s)

Mock View Control
Model view Controller
Mock View Class
Model View Class

Which are the session tracking techniques? Which are the session tracking techniques?

1 Mark(s)

URL rewriting
Using session object
Using hidden fields
Using cookies

Which mode allows us to run program interactively while watching source code and variables during execution?

1 Mark(s)

safe mode
debug mode
successfully run mode
exception mode

Default value of autoFlush attribute is? Default value of autoFlush attribute is?

1 Mark(s)

TRUE
FALSE
TRUE
FALSE

Which component can be used for sending messages from one application to another? Which component can be used for sending messages from one application to another?

1 Mark(s)

server
client
mq
webapp

Which perspective is used to run a program in debug view? Which perspective is used to run a program in debug view?

1 Mark(s)

java perspective
eclipse perspective
debug perspective
jdbc perspective

Which of the following is true about servlets? Which of the following is true about servlets?

1 Mark(s)

Servlets execute within the address space of web server
Servlets are platform-independent because they are written in java
Servlets can use the full functionality of the Java class libraries
Servlets execute within the address space of web server, platform independent and uses the functionality of java class libraries

Is design pattern a logical concept. Is design pattern a logical concept.

1 Mark(s)

TRUE
FALSE
TRUE
FALSE

Which class provides system independent server side implementation? Which class provides system independent server side implementation?

1 Mark(s)

Socket
ServerSocket
Server
ServerReader

Which design pattern represents a way to access all the objects in a collection? Which design pattern represents a way to access all the objects in a collection?

1 Mark(s)

Iterator pattern
Facade pattern
Builder pattern
Bridge pattern

Which perspective is used to run a program in debug view?

1 Mark(s)

java perspective
eclipse perspective
debug perspective
jdbc perspective

In CGI, process starts with each request and will initiate OS level process. In CGI, process starts with each request and will initiate OS level process.

1 Mark(s)

TRUE
FALSE
TRUE
FALSE

Which of the following is used to limit the number of rows returned? Which of the following is used to limit the number of rows returned?

1 Mark(s)

setMaxRows(int i)
setMinRows(int i)
getMaxrows(int i)
getMinRows(int i)

What is not the advantage of Reflection? What is not the advantage of Reflection?

1 Mark(s)

Examine a class’s field and method at runtime
Construct an object for a class at runtime
Examine a class’s field at compile time
Examine an object’s class at runtime

What is debugging an application which runs on another java virtual machine on another machine? What is debugging an application which runs on another java virtual machine on another machine?

1 Mark(s)

virtual debugging
remote debugging
machine debugging
compiling debugging

Which method creates unique fields in the HTML which are not shown to the user? Which method creates unique fields in the HTML which are not shown to the user?

1 Mark(s)

User authentication
URL writing
HTML Hidden field
HTML invisible field

What happens if ServerSocket is not able to listen on the specified port? What happens if ServerSocket is not able to listen on the specified port?

1 Mark(s)

The system exits gracefully with appropriate message
The system will wait till port is free
IOException is thrown when opening the socket
PortOccupiedException is thrown

Which of the below is not a valid classification of design pattern? Which of the below is not a valid classification of design pattern?

1 Mark(s)

Creational patterns
Structural patterns
Behavioural patterns
Java patterns

Which key helps to step out of the caller of currently executed method? Which key helps to step out of the caller of currently executed method?

1 Mark(s)

Java code is embedded under which tag in JSP? Java code is embedded under which tag in JSP?

1 Mark(s)

Declaration
Scriptlet
Expression
Comment

When destroy() method of a filter is called? When destroy() method of a filter is called?

1 Mark(s)

The destroy() method is called only once at the end of the life cycle of a filter
The destroy() method is called after the filter has executed doFilter method
The destroy() method is called only once at the begining of the life cycle of a filter
The destroyer() method is called after the filter has executed

Which design pattern ensures that only one object of particular class gets created? Which design pattern ensures that only one object of particular class gets created?

1 Mark(s)

Singleton pattern
Filter pattern
State pattern
Bridge pattern

Can and <%–comment–%> be used alternatively in JSP? Can and <%–comment–%> be used alternatively in JSP?

1 Mark(s)

TRUE
FALSE
TRUE
FALSE

What type of protocol is HTTP? What type of protocol is HTTP?

1 Mark(s)

stateless
stateful
transfer protocol
information protocol

Which of the below author is not a part of GOF (Gang of Four)? Which of the below author is not a part of GOF (Gang of Four)?

1 Mark(s)

Erich Gamma
Gang Pattern
Richard Helm
Ralph Johnson

Which is not a directive? Which is not a directive?

1 Mark(s)

include
page
export
useBean

What is the storage capacity of single cookie? What is the storage capacity of single cookie?

1 Mark(s)

2048 MB
2048 bytes
4095 bytes
4095 MB

out” is implicit object of which class? out” is implicit object of which class?

1 Mark(s)

javax.servlet.jsp.PrintWriter
javax.servlet.jsp.SessionWriter
javax.servlet.jsp.SessionPrinter
javax.servlet.jsp.JspWriter

What is debugging an application which runs on another java virtual machine on another machine?

1 Mark(s)

virtual debugging
remote debugging
machine debugging
compiling debugging

How can we take input text from user in HTML page? How can we take input text from user in HTML page?

1 Mark(s)

input tag
inoutBufferedReader tag
meta tag
scanner tag

Which design pattern works on data and action taken based on data provided?

1 Mark(s)

Command pattern
Singleton pattern
MVC pattern
Facade pattern

Which of the following code is used to get an attribute in a HTTP Session object in servlets? Which of the following code is used to get an attribute in a HTTP Session object in servlets?

1 Mark(s)

session.getAttribute(String name)
session.alterAttribute(String name)
session.updateAttribute(String name)
session.setAttribute(String name)

How does eclipse provide the capability for debugging browser actions? How does eclipse provide the capability for debugging browser actions?

1 Mark(s)

internal web browser
chrome web browser
firefox web browser
internet explorer browser

What are the components of a marker interface? What are the components of a marker interface?

1 Mark(s)

Fields and methods
No fields, only methods
Fields, no methods
No fields, No methods

Which class represents an Internet Protocol address? Which class represents an Internet Protocol address?

1 Mark(s)

InetAddress
Address
IP Address
TCP Address

Which object stores references to the request and response objects? Which object stores references to the request and response objects?

1 Mark(s)

sessionContext
pageContext
HttpSession
sessionAttribute

Which of the following is not true about session? Which of the following is not true about session?

1 Mark(s)

All users connect to the same session
All users have same session variable
Default timeout value for session variable is 20 minutes
New session cannot be created for a new user

What happens if ServerSocket is not able to listen on the specified port? What happens if ServerSocket is not able to listen on the specified port?

1 Mark(s)

The system exits gracefully with appropriate message
The system will wait till port is free
IOException is thrown when opening the socket
PortOccupiedException is thrown

What is the java method for ping? What is the java method for ping?

1 Mark(s)

hostReachable()
ping()
isReachable()
portBusy()

What happens when the value of variable change? What happens when the value of variable change?

1 Mark(s)

changed value pop on the screen
variable changes are printed in logs
dump of variable changes are printed on the screen on end of execution
variable tab shows variables highlighted when values change

Which design pattern ensures that only one object of particular class gets created?

1 Mark(s)

Singleton pattern
Filter pattern
State pattern
Bridge pattern

Which of the following is used to rollback a JDBC transaction? Which of the following is used to rollback a JDBC transaction?

1 Mark(s)

rollback()
rollforward()
deleteTransaction()
RemoveTransaction()

Which tag is used to set a value of a JavaBean? Which tag is used to set a value of a JavaBean?

1 Mark(s)

What temporarily redirects response to the browser? What temporarily redirects response to the browser?

1 Mark(s)

<%@directive%>
response.sendRedirect(URL)
response.setRedirect(URL)

Which part stores the program arguments and startup parameters?

1 Mark(s)

debug configuration
run configuration
launch configuration
project configuration

Which is mandatory in tag? Which is mandatory in tag?

1 Mark(s)

id, class
id, type
type, property
type,id

Which of the below is not a valid design pattern? Which of the below is not a valid design pattern?

1 Mark(s)

Singleton
Factory
Command
Java

What does MVC pattern stands for?

1 Mark(s)

Mock View Control
Model view Controller
Mock View Class
Model View Class

Which of the following code retrieves the body of the request as binary data? Which of the following code retrieves the body of the request as binary data?

1 Mark(s)

DataInputStream data = new InputStream()
DataInputStream data = response.getInputStream()
DataInputStream data = request.getInputStream()
DataInputStream data = request.fetchInputStream()

Which design pattern provides a single class which provides simplified methods required by client and delegates call to those methods? Which design pattern provides a single class which provides simplified methods required by client and delegates call to those methods?

1 Mark(s)

Adapter pattern
Builder pattern
Facade pattern
Prototype pattern

Which of the following is not a JDBC connection isolation levels? Which of the following is not a JDBC connection isolation levels?

1 Mark(s)

TRANSACTION_NONE
TRANSACTION_READ_COMMITTED
TRANSACTION_REPEATABLE_READ
TRANSACTION_NONREPEATABLE_READ

Which of the following is used for session migration? Which of the following is used for session migration?

1 Mark(s)

Persisting the session in database
URL rewriting
Create new database connection
Kill session from multiple sessions

What does local IP address start with? What does local IP address start with?

1 Mark(s)

10.X.X.X
172.X.X.X
192.168.X.X
10.X.X.X, 172.X.X.X, or 192.168.X.X

What is the maximum size of cookie? What is the maximum size of cookie?

1 Mark(s)

4 KB
4 MB
4 bytes
40 KB

Which of the below is not a javascript framework for UI? Which of the below is not a javascript framework for UI?

1 Mark(s)

Vaadin
AngularJS
KendoUI
Springcore

How to deep dive into the execution of a method from a method call? How to deep dive into the execution of a method from a method call?

1 Mark(s)

How to deep dive into the execution of a method from a method call?

1 Mark(s)

Which one of the following contains date information?

1 Mark(s)

java.sql.TimeStamp
java.sql.Time
java.io.Time
java.io.TimeStamp

Which object is used by spring for authentication? Which object is used by spring for authentication?

1 Mark(s)

ContextHolder
SecurityHolder
AnonymousHolder
SecurityContextHolder

_jspService() method of HttpJspPage class should not be overridden. _jspService() method of HttpJspPage class should not be overridden.

1 Mark(s)

TRUE
FALSE
TRUE
FALSE

Which part stores the program arguments and startup parameters? Which part stores the program arguments and startup parameters?

1 Mark(s)

debug configuration
run configuration
launch configuration
project configuration

Which of the below are common network protocols? Which of the below are common network protocols?

1 Mark(s)

TCP
UDP
TCP and UDP
CNP

Which page directive should be used in JSP to generate a PDF page? Which page directive should be used in JSP to generate a PDF page?

1 Mark(s)

contentType
generatePdf
typePDF
contentPDF

Which key helps to step out of the caller of currently executed method?

1 Mark(s)