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Basic Google Web Toolkit MCQ

1. In a Google Web Toolkit web application, the following argument is passed to the JUnitShell:

-Dgwt.args="-help"

What will the output be?

It will throw an error.

It will print the command help keywords in the console.

It will print help to the console.

It will run Google Web Toolkit in production mode.

Answer

Correct Answer: It will throw an error.

Note: This Question is unanswered, help us to find answer for this one

2. Which of the following interfaces includes a method to look up strings by property name and also facilitates dynamic binding to constants by name at runtime?

Constants

ConstantsWithLookup

Dictionary

Messages

Localizable

Answer

Correct Answer: ConstantsWithLookup

Note: This Question is unanswered, help us to find answer for this one

3. Which of the following webAppCreator parameters defines the directory location where Google Web Toolkit web application files will be generated?

-out

-junit

moduleName

Answer

Correct Answer: -out

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4. Which of the following statements are valid with regard to Google Web Toolkit?

It allows you to write AJAX applications in Java and then compile the source to highly optimized JavaScript code.

It allows you to write AJAX applications in JavaScript and then compile the source to highly optimized Java code.

The Google Web Toolkit SDK provides a set of core Java APIs and widgets.

The Google Web Toolkit SDK provides a set of core JavaScript APIs and widgets.

Answer

Correct Answer: It allows you to write AJAX applications in Java and then compile the source to highly optimized JavaScript code.

Note: This Question is unanswered, help us to find answer for this one

5. In a GWT application, there is an ARIA role region that updates without having keyboard focus. Which of the following ARIA states specifies the priority of such dynamic content updates?

aria-labelledby

aria-live

aria-activedescendant

aria-expanded

Answer

Correct Answer: aria-live

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6. ClientBundle has the two resource types - TextResource and ExternalTextResource - which provide access to static text content.

Which of the following options is correct?

TextResource interns the text into the compiled JavaScript, while ExternalTextResource bundles related text resources into a single file which is accessed asynchronously.

ExternalTextResource interns the text into the compiled JavaScript, while TextResource bundles related text resources into a single file which is accessed asynchronously.

TextResource reads the content of a file using URLs, while ExternalTextResource bundles related text resources into a single file which is accessed asynchronously.

Answer

Correct Answer: TextResource interns the text into the compiled JavaScript, while ExternalTextResource bundles related text resources into a single file which is accessed asynchronously.

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7. In order to use internationalized characters, which of the following charsets should be included in the meta tag of the host HTML file?

UTF-8

iso-8859-1

us-ascii

iso8859_1

iso-8859-1; charset=iso-8859-1

Answer

Correct Answer: UTF-8

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8. Suppose that in a Google Web Toolkit application there is a functionality called "Edit Account" which is not required initially when the application is being downloaded. Which of the following approaches should be adopted in order to optimize the initial download of the Google Web Toolkit application?

Eliminate classes or packages related to "Edit Account" entirely.

Set split points in the Google Web Toolkit application.

Such optimization is not possible as the code is already complied into JavaScript.

Answer

Correct Answer: Set split points in the Google Web Toolkit application.

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9. While deploying a Google Web Toolkit module on a servlet container using RPC, the servlet in the application, including Google Web Toolkit RPC servlets, will need to be defined in:

web.xml

build.xml

appengine-web.xml

module-name.gwt.xml

Answer

Correct Answer: web.xml

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10. The appcfg utility is used to deploy a Google Web Toolkit web application. Which of the following appcfg commands uploads files of an application to the application's root directory?
Note: The root directory location has been denoted by <war-location>.

appcfg.sh [options] update war-location

appcfg.sh [options] rollback war-location

appcfg.sh [options] update_queues war-location

appcfg.sh [options] update_indexes war-location

Answer

Correct Answer: appcfg.sh [options] update war-location

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11. In which of the following internationalization techniques do the applications look for localized strings in the module's host and do NOT need recompilation when a new locale is added?

Static String Internationalization

Dynamic String Internationalization

Localizable Interface

Answer

Correct Answer: Dynamic String Internationalization

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12. Given below is a JSON object of a typical Lightweight Metrics System event.

{
    moduleName : <Module name>,
    subSystem : <Subsystem name>,
    evtGroup : <Event group>,
    millis : <Current time in millis>,
    type : <Event type>
}

What does "subsystem" signify here?

It is the name of your Google Web Toolkit module.

It refers to the specific component that is emitting these events in the Google Web Toolkit application.

It is analogous to a grouping of related events that can be assumed to follow a serial order.

It indicates the actual method or step that was run and emitted the event.

Answer

Correct Answer: It refers to the specific component that is emitting these events in the Google Web Toolkit application.

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13. In addition to individual events, the global collector method in the Lightweight Metrics system can also track and compare groups of events.

True

False

Answer

Correct Answer: True

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14. Which of the following are examples of Class Annotations?

@GeneratedFrom(String fileName)

@Generate(String[] formatFQCN, String filename, String[] locales)

@Description(String desc)

@Meaning(String meaning)

Answer

Correct Answer: @GeneratedFrom(String fileName)

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15. Google Web Toolkit deploys the mini-applications created, using the Google Gadgets API. Given below are some standard tags used in a Google gadget. Identify which tag contains information such as its title, description, author, and other optional features?

Module

ModulePrefs

Content type="html"

Answer

Correct Answer: ModulePrefs

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16. The Google Maps Javascript API has certain events which are classified as UI Events and MVC state change events. Which of the following options are correct with regard to this?

'click' is a UI event.

'mousedown' is an MVC state change event.

'dblclick' is a UI event.

'zoom_changed' is an MVC state change event.

'bounds_changed' is a UI event.

Answer

Correct Answer: 'click' is a UI event.

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17. Which of the following statements holds true for the Navigation control present in the Google Maps API?

It displays a large pan/zoom control to be used on Google Maps.

It displays a map scale element.

It lets the user toggle between map types (such as ROADMAP and SATELLITE).

Answer

Correct Answer: It displays a large pan/zoom control to be used on Google Maps.

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18. Which of the following HTML elements does the Label widget map to in Google Web Toolkit?

HTML label element

HTML div element

HTML textarea element

HTML map element

Answer

Correct Answer: HTML div element

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19. In a Google Web Toolkit widget, there is a form field whose tabIndex is 2. Suppose that you change the tabIndex to -1. Which of the following options are correct with regard to this tabIndex?

The form field will be moved to the beginning of the tab sequence.

The form field will be removed from the tab sequence.

The form field is still allowed to receive focus programmatically.

The form field will be moved to the end of the tab sequence.

Answer

Correct Answer: The form field will be removed from the tab sequence.

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20. Which of the following Google Maps API Web Services provides the facility to convert addresses into their corresponding values in latitudes and longitudes?

Directions API

Geocoding API

Elevation API

Places API

Answer

Correct Answer: Geocoding API

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21. Which of the following statements is INCORRECT with regard to Google Web Toolkit components?

Google Web Toolkit Java-to-JavaScript Compiler translates the Java programming language to the JavaScript programming language.

Google Web Toolkit Development Mode allows the developers to run and execute Google Web Toolkit applications in development mode.

Google Web Toolkit Web UI supports the java.io package.

Answer

Correct Answer: Google Web Toolkit Web UI supports the java.io package.

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22. Which of the following options is INCORRECT in relation to the HTML tags and their corresponding CSS selectors in Google Web Toolkit?

button tag has button as its CSS selector.

button class="gwt-Button" has button.gwt-Button as its CSS selector.

button class="gwt-Button my-button" has button.gwt.my-Button as its CSS selector.

Answer

Correct Answer: button class="gwt-Button my-button" has button.gwt.my-Button as its CSS selector.

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23. Which of the following Google Web Toolkit base classes combines the Google Web Toolkit test cases and reorders them so that all test cases that share a module are run back to back?

GWTTestCase

TestRunner

GWTTestSuite

JField

Answer

Correct Answer: GWTTestSuite

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24. Which of the following statements regarding Google Web Toolkit ImageResource is INCORRECT?

Multiple ImageResources are declared in a single ClientBundle, which is a composition of many images into a single image.

ImageResource results in multiple round trips for the composite images.

As the filename of the composite image is based on a hash of the file's contents, the filename will change only if the composite image is changed.

Answer

Correct Answer: ImageResource results in multiple round trips for the composite images.

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25. Which of the following approaches for associating CSS files in a Google Web Toolkit application is INCORRECT?

Using a link tag in the host HTML page.

Using the stylesheet element in the module XML file.

Using a DataResource contained within a ClientBundle.

Using an inline ui:style element in a UiBinder template.

Answer

Correct Answer: Using a DataResource contained within a ClientBundle.

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26. Which of the following statements regarding Root panel are correct?

Root panel is the container for the dynamic elements of a Google Web Toolkit application.

Root panel is at the top of any Google Web Toolkit user interface hierarchy.

By default the Root panel wraps the body element.

A host page can contain only one Root panel.

Answer

Correct Answer: Root panel is the container for the dynamic elements of a Google Web Toolkit application.

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27. Which of the following tags is added to a gwt.xml file in order to add Google Visualization to the Google Web Toolkit module?

inherits name='com.google.gwt.visualization.Visualization'/

inherits name="com.google.gwt.resources.Resources" /

nherits name="com.google.gwt.core.client" /

inherits name="com.google.visualization.*" /

Answer

Correct Answer: inherits name='com.google.gwt.visualization.Visualization'/

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28. Which of the following interfaces in "com.google.gwt.gadgets.client" indicates that a Gadget may need to be resized automatically by the container?

NeedsAnalytics

NeedsDynamicHeight

NeedsIntrinsics

NeedsSetPrefs

Answer

Correct Answer: NeedsDynamicHeight

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29. While unit testing a Google Web Toolkit application in JUnit, the following line of code is added in JUnitShell:

-Dgwt.args="-prod"

Which of the following statements are correct with regard to the impact of adding this line of code?

It will add an argument to the JUnit TestRunner class.

It will run your unit test in manual mode.

It will override the test run from development mode to production mode.

It will run your unit test on Remote systems.

Answer

Correct Answer: It will add an argument to the JUnit TestRunner class.

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30. Which of the following ClientBundle resource types can retrieve the contents of a file at runtime using URLs?

ImageResource

DataResource

ExternalTextResource

GwtCreateResource

Answer

Correct Answer: DataResource

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31. What is the data type of the argument used in the GWTTestCase.delayTestFinish method?

int

string

binary

object

Answer

Correct Answer: int

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32. Which of the following methods is used to retrieve the serialization policy file in your Google Web Toolkit webapp application directory?

ServletContext.getResource()

ServletContext.getContext()

ServletContext.getRequestDispatcher()

ServletContext.getServlet()

Answer

Correct Answer: ServletContext.getResource()

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33. Using Eclipse IDE, a new Google Web Toolkit application named "MyApp" is created. Now the application directory contain some sub-directories by default. Which of the following sub-directories contains the production Java source of this web Application?

src

war

test

settings

Answer

Correct Answer: src

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34. Which of the following Google Web Toolkit classes is used to make server calls in a Google Web Toolkit web application?

com.google.gwt.i18n.client.DateTimeFormat

com.google.gwt.i18n.client.NumberFormat

com.google.gwt.user.client.rpc

com.google.gwt.user.client.Timer

Answer

Correct Answer: com.google.gwt.user.client.rpc

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35. Which of the following components figures out which browser environment the Google Web Toolkit application is running in and determines the appropriate version of the application to load?

The host HTML page

The Bootstrap script

The Application Files

Answer

Correct Answer: The Bootstrap script

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36. Which of the following is NOT a feature of Google Web Toolkit?

Dynamic and reusable UI components

Support for full-featured Java debugging

JUnit integration

Common JavaScript errors being caught at run time

Easy internationalization

Answer

Correct Answer: Common JavaScript errors being caught at run time

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37. Which of the following command line utilities generates the files and folders needed to start a Google Web Toolkit project?

Apache Ant

webAppCreator

JUnit

Answer

Correct Answer: webAppCreator

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38. In order to use the NumberFormat or DateTimeFormat classes in a Google Web Toolkit application, which of the following inherits lines should be inserted into the Google Web Toolkit application module XML file?

inherits name="com.google.gwt.i18n.I18N"/

inherits name="com.google.gwt.resources.Resources" /

inherits name="com.google.gwt.core.client" /

inherits name="com.google.gwt.json.client" /

inherits name="com.google.gwt.junit.tools" /

Answer

Correct Answer:

inherits name="com.google.gwt.i18n.I18N"/

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39. Which of the following browser rendering engines will operate if Google Web Toolkit sets doctype to HTML 4.01 Transitional?

Quirks Mode

Standards Mode

Almost Standards Mode

IE7 Mode

Answer

Correct Answer: Quirks Mode

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40. The resources in a deployed Google Web Toolkit application are categorized as:

1)resources to never cache (.nocache.js),
2)resources to cache forever (.cache.html),
3)everything else (myapp.css)

In relation to this, the ClientBundle interface moves entries from:

the never-cache category Into the cache-forever category.

the everything-else category into the cache-forever category.

the everything-else category into the never-cache category.

Answer

Correct Answer: the everything-else category into the cache-forever category.

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41. Which of the following methods is used to add a split point to your code?

GWT.runAsync

GWT.getModuleName

GWTTestCase.delayTestFinish

RequestBuilder.setTimeoutMillis

Answer

Correct Answer: GWT.runAsync

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42. Which of the following jar files is required to use the Google Chart Tools API in a Google Web Toolkit project?

gwt-servlet.jar

appengine-api-1.0-sdk-1.3.4.jar

gwt-visualization.jar

gwt-user.jar

Answer

Correct Answer: gwt-user.jar

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43. In order to use the ClientBundle in a Google Web Toolkit application, which of the following inherits tags is required to be included in the gwt.xml file?

inherits name="com.google.gwt.resources.Resources" /

inherits name="com.google.gwt.core.client" /

nherits name="com.google.gwt.json.client" /

inherits name="com.google.gwt.junit.tools" /

Answer

Correct Answer:

inherits name="com.google.gwt.resources.Resources" /

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44. What is the response type of the Google AJAX Search API?

XML

JSON

HTML

Simple TEXT

Answer

Correct Answer: JSON

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45. The google.search.SearchControl class reference of the Google AJAX Search API is used to perform a search operation in Google Web Toolkit. Which of the following methods in this class reference activates the search control object when all searchers have been added into the search control?

addSearcher

draw

execute

setLinkTarget

Answer

Correct Answer: draw

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46. What is the purpose of the global collector function used in Lightweight Metrics System?

It tests the Google Web Toolkit code via the GWTTestCase class.

It speeds up the application's startup by allowing the application to start running before all of its code is installed.

It helps Google Web Toolkit programmers gain insight into what happens in the application during compilation.

It is used to evaluate and report events in the Google Web Toolkit application.

Answer

Correct Answer: It is used to evaluate and report events in the Google Web Toolkit application.

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47. Which of the following tools helps optimize a Google Web Toolkit application by allowing the application to start running before all of its code is installed?

Speed Tracer

Google Web Toolkit's code splitter

Client Bundles

Lightweight Metrics

Answer

Correct Answer: Google Web Toolkit's code splitter

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48. To handle history events, we should implement:

HistoryChangeHandler

ValueChangeHandler

HistoryChangeHandler

ValueChangeHandler

Answer

Correct Answer: ValueChangeHandler

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49. Which of the following is an example of an Aria or keyboard accessibility property?

TreeItem

TabMenu

MenuTree

TreeBar

Answer

Correct Answer: TreeItem

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50. Where are XSRF tokens configured?

They are not configured.

In the conf.xml file.

In the web.xml file.

In the web.conf file.

Answer

Correct Answer: In the web.xml file.

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51. The GWT Event Bus is built on top of:

EventManager

GWTEventManager

EventHandlerManager

HandlerManager

Answer

Correct Answer: HandlerManager

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52. What attribute depicts the behavior of a widget?

Role.

Trim.

Action.

wAction.

Answer

Correct Answer: Role.

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53. XMLHTTPRequests Same-Origin policy can be overcome with:

JSON-SO

JSON-XSR

JSON

JSONP

Answer

Correct Answer: JSONP

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54. An Event can be fired on the Event Bus by invoking:

EventBus.fireEvent()

HandlerManager.sendEvent()

HandlerManager.fireEvent()

GWT.sendEvent()

Answer

Correct Answer: HandlerManager.fireEvent()

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55. A Label widget in GWT translates to which HTML asset?

Depends on inline

span

Depends on the version

div

Answer

Correct Answer: Depends on inline

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56. For Internationalization, to create a collection of formatted strings that accept parameters, which should be extended?

Messages

ResourceBundle

MessageFormat

Properties

Answer

Correct Answer: Messages

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57. Which of these is NOT a default CSS theme in GWT?

Chrome

Standard

Clean

Default

Answer

Correct Answer: Default

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58. A RemoteService is:

A marker interface

A service interface

A remote interface

A service class

Answer

Correct Answer: A marker interface

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59. When using an asynchronous interface, what must be created before making a remote call from the client?

A dynamic interface.

A static interface.

Another asynchronous interface.

A synchronous interface.

Answer

Correct Answer: Another asynchronous interface.

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60. Which class is responsible for publishing click events?

Mouse class.

Button class.

Tick class.

Click class.

Answer

Correct Answer: Button class.

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61. To reduce compilation time, permutations can be used by configuring which property?

user.browser

user.agent

user.gwt

user.permutation

Answer

Correct Answer: user.agent

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62. What W3C specification is used in creating accessible programs with standardized DOM properties?

DOM

Area.

Aria.

PBX

Answer

Correct Answer: Aria.

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63. A native DOM Event can be captured using which handler?

NativeEventHandler()

NativePreviewHandler()

NativePreviewEvent()

NativeHandler()

Answer

Correct Answer: NativePreviewHandler()

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64. What feature us used to build XSRF protection?

The XSRF build feature.

The Token feature.

The XToken feature.

The RpcToken feature.

Answer

Correct Answer: The RpcToken feature.

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65. To use ClientBundle, which module do we need to inherit?

com.google.gwt.core.ClientBundle

com.google.gwt.client.Resources

com.google.gwt.resources.Resources

com.google.gwt.resources.ClientBundle

Answer

Correct Answer: com.google.gwt.resources.Resources

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66. Do activities contain widgets or UI code?

They can contain widgets, but not UI.

Yes, only one or the other.

No.

Yes, but only two at a time.

Answer

Correct Answer: No.

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67. A RemoteService path can be annotated as:

@RemoteServicePath

@RemoteServiceAsyncPath

@RemoteServiceRelativePath

@RemotePath

Answer

Correct Answer: @RemoteServiceRelativePath

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68. JSON objects can be handled as Overlay Types by subclassing which?

JavaScriptOverlayObject

JSONObject

JavaScriptObject

JSObject

Answer

Correct Answer: JavaScriptObject

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69. How are parent/child relationships determined?

They are determined by the name of the parent.

They are determined by the name of the logger.

They are determined randomly.

They are determined by the name of the child.

Answer

Correct Answer: They are determined by the name of the logger.

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70. A deferred binding implementation can be generated in GWT with:

GWT.createAndBind()

GWT.bind()

GWT.bindAndCreate()

GWT.create()

Answer

Correct Answer: GWT.create()

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71. Generating many different version of JavaScript on a per browser basis is known as what?

JSNI Binding

Deferred Binding

UserAgent Binding

JS Binding

Answer

Correct Answer: Deferred Binding

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72. Which library can be use for client-side dependency injection?

Spring

Guice

GWTIN

GIN

Answer

Correct Answer: GIN

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73. To listen to DOM events a Widget must invoke:

retreiveEvents()

getEvents()

listenToEvents()

sinkEvents()

Answer

Correct Answer: sinkEvents()

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74. HTTP requests can be handled easily by:

HttpBuilder

HttpRequestBuilder

HttpInvoker

RequestBuilder

Answer

Correct Answer: RequestBuilder

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75. Which Java package is NOT emulated by GWT?

java.lang.annotation

java.io

java.math

java.lang.reflect

Answer

Correct Answer: java.lang.reflect

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76. Which of the following is not a HTML5 feature supported by GWT?

Client-side storage

Audio

PDF

Canvas

Answer

Correct Answer: PDF

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77. History management and view transition logic is the responsibility of a:

Presenter

AppController

ViewPresenter

ViewController

Answer

Correct Answer: AppController

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78. Which of the following is not a security weakness in GWT?

Forging requests

Leaking Data

SafeHTML guidelines.

Cross-site scripting.

Answer

Correct Answer: SafeHTML guidelines.

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79. Is it necessary to use GWT's history mechanism with MVP development?

No.

Yes, and it must be used in conjunction with MVP framework.

Yes, because MVP framework is built upon it.

Yes.

Answer

Correct Answer: No.

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80. A ClickHandler extends:

MouseEventHandler

MouseHandler

MouseButtonsHandler

EventHandler

Answer

Correct Answer: EventHandler

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81. When there is a dot between two loggers, what does this indicate?

The loggers are in error.

The loggers are siblings.

The loggers are in conflict.

The loggers are not related.

Answer

Correct Answer: The loggers are siblings.

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82. The P in MVP stands for:

Programming

Process

Presentation

Presenter

Answer

Correct Answer: Presenter

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83. What is one way to prevent XSRF attacks in GWT?

Firewalls.

Cross-site scripting.

Session cookie duplication.

Virus scanning.

Answer

Correct Answer: Session cookie duplication.

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84. When does gwtTearDown() run?

At the beginning of every test method.

When the test method has failed.

In the middle of every test method.

At the completion of every test method.

Answer

Correct Answer: At the completion of every test method.

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85. Which JRE feature is not supported in GWT client side code?

Reflection

Java AutoBoxing

Java Math

Collections

Answer

Correct Answer: Reflection

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86. A EventHandler is a:

Data type

Class

Inner class

Interface

Answer

Correct Answer: Interface

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87. GWT supports the following browsers:

Internet Explorer 6, 7, 8, 9

Safari 5, 6

Firefox (all)

Google Chrome

Answer

Correct Answer: Firefox (all)

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88. What type of binding is a feature of the GWT compiler?

Deferred binding.

Dynamic binding.

Inferred binding.

Static binding.

Answer

Correct Answer: Deferred binding.

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89. A CSS can be applied to a Widget with which method?

setStyle()

setCSS()

setCSSStyleName()

setStyleName()

Answer

Correct Answer: setStyleName()

Note: This Question is unanswered, help us to find answer for this one

90. How do you access javascript in GWT?

Javascript Eval method

JSNI

HTML Javascript injection

You cannot access Javascript

Answer

Correct Answer: JSNI

Note: This Question is unanswered, help us to find answer for this one

91. If an exception is launched in a AsyncCallback, which method is invoked?

onCallbackException()

onError()

onFailure()

onException()

Answer

Correct Answer: onFailure()

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92. The biggest difference between MVP Part1 and Part2 is:

UiViewer

Presenter

View

UiBinder

Answer

Correct Answer: UiBinder

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93. Presenters and Views should be binded by:

Interface

Inheritance

Encapsulation

Class

Answer

Correct Answer: Interface

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94. What does ActivityMapper do?

It maps activities.

It lists activities.

It tells you what activity is taking place.

It maps Places to corresponding Activities.

Answer

Correct Answer: It maps Places to corresponding Activities.

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95. If a single class cannot be serialized, will its object types be serialized as well?

Only if its sub-class is serialized.

Only if its root is serialized.

Yes.

No.

Answer

Correct Answer: No.

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96. How does one correctly invoke the clear() method to clear their HTML5 data?

clearme()

HTML5clear()

myStorage.clear();

clear()HTML5

Answer

Correct Answer: myStorage.clear();

Note: This Question is unanswered, help us to find answer for this one

97. What feature is built into GWT 2.3 to prevent web attacks?

XSRF protection.

Web protection.

Secure Node 3.0

Web secure 2.0

Answer

Correct Answer: XSRF protection.

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98. A custom widget in GWT should extend which class?

Widget

Composite

Panel

Div

Answer

Correct Answer: Composite

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99. History events in GWT are implemented as a:

Array

Queue

Stack

List

Answer

Correct Answer: Stack

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100. Which of the following is a correct JSNI method delaration?

def helloWorld={return "Hello World";}

public native String helloWorld() /*-{ return "Hello World"; }-*/;

public native String helloWorld() { return "Hello World"; };

function helloWorld(){return "Hello World";}

Answer

Correct Answer: public native String helloWorld() /*-{ return "Hello World"; }-*/;

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101. An AJAX call in GWT can be implemented with:

SyncCallback()

AsyncCallback()

XmlHttpRequest()

AJAXCallback()

Answer

Correct Answer: AsyncCallback()

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102. What servlet container is used for testing during development time?

Jetson.

Jetty.

Devlet.

Jetlet.

Answer

Correct Answer: Jetty.

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103. How are loggers organized?

In a map structure.

In a box and whisker plot.

In a tree structure.

In a chart.

Answer

Correct Answer: In a tree structure.

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104. Human readable strings matched with tags at compile time are considered what?

Static strings.

Elastic strings.

Static tags.

Elastic tags.

Answer

Correct Answer: Static strings.

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105. Code splitting to minimize JS downloads can be achieved with:

GWT.runJS()

GWT.runSync()

GWT.split()

GWT.runAsync()

Answer

Correct Answer: GWT.runAsync()

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106. Strictly speaking, GWT is a:

Compiler

Interpreter

Browser plug-in

JVM

Answer

Correct Answer: Compiler

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107. What does GWT use to stylize the visuals of their user interface?

DOM

CSS

PHP

HTML

Answer

Correct Answer: CSS

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108. What is the extension of a GWT bootstrap script?

.js

.gwt.js

.cache.js

.nocache.js

Answer

Correct Answer: .nocache.js

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109. A JSNI method has to be declared as what?

native

javascript

jsni

Answer

Correct Answer: native

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110. The top level panel in GWT is?

HTMLPanel

RootPanel

DOMPanel

TopPanel

Answer

Correct Answer: RootPanel

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111. When does GWT perform its locale-related work?

At compile time.

At startup time.

At bind time.

At sandbox time.

Answer

Correct Answer: At compile time.

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112. Which of the following is one of the three classes used when programming delayed logic?

TimerCommand

IncrementalTime

DeferredCommand

Time

Answer

Correct Answer: DeferredCommand

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113. Which is NOT a Panel widget in GWT:

HorizontalPanel

CanvasPanel

VerticalPanel

DecoratorPanel

Answer

Correct Answer: CanvasPanel

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114. As of version 2.6 of GWT what is the newest version of Java syntax supported by GWT?

Java 4

Java 7

Java 5

Java 6

Answer

Correct Answer: Java 7

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115. The server-side of a AsyncCallback is a:

RemoteServiceServlet

HttpServlet

RemoteServlet

AsyncServiceServlet

Answer

Correct Answer: RemoteServiceServlet

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116. Which of these is not a class for JSON manipulation:

JSONArray

JSONString

JSONObject

JSONClass

Answer

Correct Answer: JSONClass

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117. Which of the following does GWT not include

Compiler

Browser plugin

DOM Api

Java applet plugin

Answer

Correct Answer: Java applet plugin

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118. What argument would you use to run a manual test within a solo browser?

-runStyle Manual:1

-runSoloSingle

Browser.1

Single-solo.

Answer

Correct Answer: -runStyle Manual:1

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119. Which of these is NOT a method in AsyncCallback?

onfailure()

onerror()

onsuccess()

(All of these)

Answer

Correct Answer: (All of these)

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120. If a logger does not contain a dot, what does this mean?

It has the Root Logger as its parent.

It has flawed syntax.

It means nothing.

It is a child logger.

Answer

Correct Answer: It has the Root Logger as its parent.

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121. Which of the following is a recommended Java GUI designer for GWT?

Java GUI

GWT Designer

Java GWT

GWT GUI

Answer

Correct Answer: GWT Designer

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122. JSNI stands for:

JavaScript Native Interface

JavaScript Naming Interface

JavaScript Natural Interface

JavaScript National Interface

Answer

Correct Answer: JavaScript Native Interface

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123. The EntryPoint interface has which method?

onModuleLoad()

onStart()

onLoad()

onInit()

Answer

Correct Answer: onModuleLoad()

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124. A GWT application can be configured through a file with the extension:

.gwt

.html

.xml

.gwt.xml

Answer

Correct Answer: .gwt.xml

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125. How do you use XSRF protection when using RequestBuilder and RequestCallback classes?

Set a custom value for a cookie.

Change cookies to a custom cookie.

Set a custom number of cookies.

Set a custom header to include the value of your cookie.

Answer

Correct Answer: Set a custom header to include the value of your cookie.

Note: This Question is unanswered, help us to find answer for this one

126. The path for translatable code from Java to JS is:

shared

defined in gwt.xml

client and shared

client

Answer

Correct Answer: defined in gwt.xml

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127. What language is GWT client side code written in.

Ruby

Python

Java

C++

Answer

Correct Answer: Java

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128. What type of processing is taking place within the web server?

Internal processing.

Client-side processing.

Server-side processing.

External processing.

Answer

Correct Answer: Server-side processing.

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129. What class is used to unit test GWT code?

GTWtest

GWTTestCase

HTTPtest

Gtest

Answer

Correct Answer: GWTTestCase

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130. What do you use to integrate GWT with a third-party Javascript library?

JavaScript Overlays.

The JavaScript Native Interface.

AJAX Command Center.

The JavaScript Console.

Answer

Correct Answer: The JavaScript Native Interface.

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131. GWT's logging framework uses the same syntax and behavior on the server side. What does this allow?

This allows you to write short-hand logs.

This allows you to share logging code between the server-side and the client-side.

This allows you to combine the logs into a single log.

This allows you to write logs to any file type.

Answer

Correct Answer: This allows you to share logging code between the server-side and the client-side.

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132. What is the default locale when not specified?

en.

jp.

esp.

uk.

Answer

Correct Answer: en.

Note: This Question is unanswered, help us to find answer for this one

133. What two files must be edited before adding GWT logging?

The pdf file and the java file.

The ftp.php file and the .java file.

The php file and .java file.

The .gwt.xml file and the .java file.

Answer

Correct Answer: The .gwt.xml file and the .java file.

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134. When you want to test JavaScript, what test case wrapper would you use to launch a web browser to test it?

GWTTestCase

GcaseTest

Gtest

Answer

Correct Answer: GWTTestCase

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135. True or False? GWT 2.0 supports Java generics?

True

False

Answer

Correct Answer: True

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136. What does the acronym GWT stand for?

Google Wrapper Toolset

GNU Web Toolkit

Google Web ToolKit

Google Webapp Tester

Answer

Correct Answer: Google Web ToolKit

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137. True or False? GWT can be used to develop commercial applications with free licensing?

False

True

Answer

Correct Answer: True

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138. What must be inherited before using HTTP types in your application?

PHP module.

GHB HTTP module.

GWT HTTP module.

PDF module.

Answer

Correct Answer: GWT HTTP module.

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139. What is a benefit of using HTML5 with GWT?

Better performance and larger data storage.

Data is compressed and encrypted.

More secure data transfer.

There is no benefit.

Answer

Correct Answer: Better performance and larger data storage.

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140. The core GWT defined in gwt.xml should inherit which module?

com.google.gwt.user.User

com.google.gwt.User

com.google.gwt.core.Core

com.google.gwt.user.Core

Answer

Correct Answer: com.google.gwt.user.User

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141. What code is the first to run in a GWT application

The class Extending EntryPoint registered in your gwt.xml file.

The method public static void Main(String[] args)

Answer

Correct Answer: The class Extending EntryPoint registered in your gwt.xml file.

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Google Web Toolkit MCQs | Topic-wise

MCQ on Basic Google Web Toolkit

General Google Web Toolkit MCQs

Google Web Toolkit Subjects

More Resources

Google Web Toolkit MCQ

Google Web Toolkit Skill Assessment

Google Web Toolkit PDF

Related MCQs

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Hibernate MCQs

HTML MCQs

HTML 5 MCQs

Information Technology (IT) MCQs

Basic Google Web Toolkit MCQ

1. In a Google Web Toolkit web application, the following argument is passed to the JUnitShell: -Dgwt.args="-help" What will the output be?

2. Which of the following interfaces includes a method to look up strings by property name and also facilitates dynamic binding to constants by name at runtime?

3. Which of the following webAppCreator parameters defines the directory location where Google Web Toolkit web application files will be generated?

4. Which of the following statements are valid with regard to Google Web Toolkit?

5. In a GWT application, there is an ARIA role region that updates without having keyboard focus. Which of the following ARIA states specifies the priority of such dynamic content updates?

6. ClientBundle has the two resource types - TextResource and ExternalTextResource - which provide access to static text content. Which of the following options is correct?

7. In order to use internationalized characters, which of the following charsets should be included in the meta tag of the host HTML file?

9. While deploying a Google Web Toolkit module on a servlet container using RPC, the servlet in the application, including Google Web Toolkit RPC servlets, will need to be defined in:

10. The appcfg utility is used to deploy a Google Web Toolkit web application. Which of the following appcfg commands uploads files of an application to the application's root directory? Note: The root directory location has been denoted by <war-location>.

11. In which of the following internationalization techniques do the applications look for localized strings in the module's host and do NOT need recompilation when a new locale is added?

12. Given below is a JSON object of a typical Lightweight Metrics System event. { moduleName : <Module name>, subSystem : <Subsystem name>, evtGroup : <Event group>, millis : <Current time in millis>, type : <Event type> } What does "subsystem" signify here?

13. In addition to individual events, the global collector method in the Lightweight Metrics system can also track and compare groups of events.

14. Which of the following are examples of Class Annotations?

15. Google Web Toolkit deploys the mini-applications created, using the Google Gadgets API. Given below are some standard tags used in a Google gadget. Identify which tag contains information such as its title, description, author, and other optional features?

16. The Google Maps Javascript API has certain events which are classified as UI Events and MVC state change events. Which of the following options are correct with regard to this?

17. Which of the following statements holds true for the Navigation control present in the Google Maps API?

18. Which of the following HTML elements does the Label widget map to in Google Web Toolkit?

19. In a Google Web Toolkit widget, there is a form field whose tabIndex is 2. Suppose that you change the tabIndex to -1. Which of the following options are correct with regard to this tabIndex?

20. Which of the following Google Maps API Web Services provides the facility to convert addresses into their corresponding values in latitudes and longitudes?

21. Which of the following statements is INCORRECT with regard to Google Web Toolkit components?

22. Which of the following options is INCORRECT in relation to the HTML tags and their corresponding CSS selectors in Google Web Toolkit?

23. Which of the following Google Web Toolkit base classes combines the Google Web Toolkit test cases and reorders them so that all test cases that share a module are run back to back?

24. Which of the following statements regarding Google Web Toolkit ImageResource is INCORRECT?

25. Which of the following approaches for associating CSS files in a Google Web Toolkit application is INCORRECT?

26. Which of the following statements regarding Root panel are correct?

27. Which of the following tags is added to a gwt.xml file in order to add Google Visualization to the Google Web Toolkit module?

28. Which of the following interfaces in "com.google.gwt.gadgets.client" indicates that a Gadget may need to be resized automatically by the container?

29. While unit testing a Google Web Toolkit application in JUnit, the following line of code is added in JUnitShell: -Dgwt.args="-prod" Which of the following statements are correct with regard to the impact of adding this line of code?

30. Which of the following ClientBundle resource types can retrieve the contents of a file at runtime using URLs?

31. What is the data type of the argument used in the GWTTestCase.delayTestFinish method?

32. Which of the following methods is used to retrieve the serialization policy file in your Google Web Toolkit webapp application directory?

33. Using Eclipse IDE, a new Google Web Toolkit application named "MyApp" is created. Now the application directory contain some sub-directories by default. Which of the following sub-directories contains the production Java source of this web Application?

34. Which of the following Google Web Toolkit classes is used to make server calls in a Google Web Toolkit web application?

35. Which of the following components figures out which browser environment the Google Web Toolkit application is running in and determines the appropriate version of the application to load?

36. Which of the following is NOT a feature of Google Web Toolkit?

37. Which of the following command line utilities generates the files and folders needed to start a Google Web Toolkit project?

38. In order to use the NumberFormat or DateTimeFormat classes in a Google Web Toolkit application, which of the following inherits lines should be inserted into the Google Web Toolkit application module XML file?

39. Which of the following browser rendering engines will operate if Google Web Toolkit sets doctype to HTML 4.01 Transitional?

40. The resources in a deployed Google Web Toolkit application are categorized as: 1)resources to never cache (.nocache.js), 2)resources to cache forever (.cache.html), 3)everything else (myapp.css) In relation to this, the ClientBundle interface moves entries from:

41. Which of the following methods is used to add a split point to your code?

42. Which of the following jar files is required to use the Google Chart Tools API in a Google Web Toolkit project?

43. In order to use the ClientBundle in a Google Web Toolkit application, which of the following inherits tags is required to be included in the gwt.xml file?

44. What is the response type of the Google AJAX Search API?

45. The google.search.SearchControl class reference of the Google AJAX Search API is used to perform a search operation in Google Web Toolkit. Which of the following methods in this class reference activates the search control object when all searchers have been added into the search control?

46. What is the purpose of the global collector function used in Lightweight Metrics System?

47. Which of the following tools helps optimize a Google Web Toolkit application by allowing the application to start running before all of its code is installed?

48. To handle history events, we should implement:

49. Which of the following is an example of an Aria or keyboard accessibility property?

50. Where are XSRF tokens configured?

51. The GWT Event Bus is built on top of:

52. What attribute depicts the behavior of a widget?

53. XMLHTTPRequests Same-Origin policy can be overcome with:

54. An Event can be fired on the Event Bus by invoking:

55. A Label widget in GWT translates to which HTML asset?

56. For Internationalization, to create a collection of formatted strings that accept parameters, which should be extended?

57. Which of these is NOT a default CSS theme in GWT?

58. A RemoteService is:

59. When using an asynchronous interface, what must be created before making a remote call from the client?

60. Which class is responsible for publishing click events?

61. To reduce compilation time, permutations can be used by configuring which property?

62. What W3C specification is used in creating accessible programs with standardized DOM properties?

63. A native DOM Event can be captured using which handler?

64. What feature us used to build XSRF protection?

65. To use ClientBundle, which module do we need to inherit?

66. Do activities contain widgets or UI code?

67. A RemoteService path can be annotated as:

68. JSON objects can be handled as Overlay Types by subclassing which?

69. How are parent/child relationships determined?

70. A deferred binding implementation can be generated in GWT with:

71. Generating many different version of JavaScript on a per browser basis is known as what?

72. Which library can be use for client-side dependency injection?

73. To listen to DOM events a Widget must invoke:

74. HTTP requests can be handled easily by:

75. Which Java package is NOT emulated by GWT?

76. Which of the following is not a HTML5 feature supported by GWT?

77. History management and view transition logic is the responsibility of a:

78. Which of the following is not a security weakness in GWT?

79. Is it necessary to use GWT's history mechanism with MVP development?

80. A ClickHandler extends:

1. In a Google Web Toolkit web application, the following argument is passed to the JUnitShell:

-Dgwt.args="-help"

What will the output be?

6. ClientBundle has the two resource types - TextResource and ExternalTextResource - which provide access to static text content.

Which of the following options is correct?

10. The appcfg utility is used to deploy a Google Web Toolkit web application. Which of the following appcfg commands uploads files of an application to the application's root directory?
Note: The root directory location has been denoted by <war-location>.

12. Given below is a JSON object of a typical Lightweight Metrics System event.

{
moduleName : <Module name>,
subSystem : <Subsystem name>,
evtGroup : <Event group>,
millis : <Current time in millis>,
type : <Event type>
}

What does "subsystem" signify here?

29. While unit testing a Google Web Toolkit application in JUnit, the following line of code is added in JUnitShell:

-Dgwt.args="-prod"

Which of the following statements are correct with regard to the impact of adding this line of code?

40. The resources in a deployed Google Web Toolkit application are categorized as:

1)resources to never cache (.nocache.js),
2)resources to cache forever (.cache.html),
3)everything else (myapp.css)

In relation to this, the ClientBundle interface moves entries from: