Olete.in – MCQs, Mock Tests & Government Job Prep | Google Web Toolkit (GWT) Google Web Toolkit multiple choice questions set 1

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

1. It will throw an error.
2. It will print the command help keywords in the console.
3. It will print help to the console.
4. It will run Google Web Toolkit in production mode.

✅ Correct Answer: 1

What code is the first to run in a GWT application

1. The class Extending EntryPoint registered in your gwt.xml file.
2. The method public static void Main(String[] args)
3. both (a) and (b)
4. None of These

✅ Correct Answer: 1

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

1. com.google.gwt.user.User
2. com.google.gwt.User
3. com.google.gwt.core.Core
4. com.google.gwt.user.Core

✅ Correct Answer: 1

What is a benefit of using HTML5 with GWT?

1. Better performance and larger data storage.
2. Data is compressed and encrypted.
3. More secure data transfer.
4. There is no benefit.

✅ Correct Answer: 1

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

1. PHP module.
2. GHB HTTP module.
3. GWT HTTP module
4. PDF module.

✅ Correct Answer: 3

What does the acronym GWT stand for?

1. Google Wrapper Toolset
2. GNU Web Toolkit
3. Google Web ToolKit
4. Google Webapp Tester

✅ Correct Answer: 3

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

1. GWTTestCase
2. GcaseTest
3. GcaseTest
4. Gtest

✅ Correct Answer: 1

What two files must be edited before adding GWT logging?

1. The pdf file and the java file.
2. The ftp.php file and the .java file.
3. The php file and .java file.
4. The .gwt.xml file and the .java file.

✅ Correct Answer: 4

What is the default locale when not specified?

1. en.
2. jp.
3. esp.
4. uk.

✅ Correct Answer: 1

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

1. This allows you to write short-hand logs.
2. This allows you to share logging code between the server-side and the client-side.
3. This allows you to combine the logs into a single log.
4. This allows you to write logs to any file type.

✅ Correct Answer: 2

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

1. JavaScript Overlays.
2. The JavaScript Native Interface.
3. AJAX Command Center.
4. The JavaScript Console.

✅ Correct Answer: 2

What class is used to unit test GWT code?

1. GTWtest
2. GWTTestCase
3. HTTPtest
4. Gtest

✅ Correct Answer: 2

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

1. Internal processing.
2. Client-side processing.
3. Server-side processing.
4. External processing.

✅ Correct Answer: 3

What language is GWT client side code written in.

1. Ruby
2. Python
3. Java
4. C++

✅ Correct Answer: 3

The path for translatable code from Java to JS is:

1. shared
2. defined in gwt.xml
3. client and shared
4. client

✅ Correct Answer: 2

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

1. Set a custom value for a cookie.
2. Change cookies to a custom cookie.
3. Set a custom number of cookies.
4. Set a custom header to include the value of your cookie.

✅ Correct Answer: 4

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

1. .gwt
2. .html
3. .xml✖
4. .gwt.xml

✅ Correct Answer: 4

The EntryPoint interface has which method?

1. onModuleLoad()
2. onStart()
3. onLoad()
4. onInit()

✅ Correct Answer: 1

JSNI stands for:

1. JavaScript Native Interface
2. JavaScript Naming Interface
3. JavaScript Natural Interface
4. JavaScript National Interface

✅ Correct Answer: 1

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

1. Java GUI
2. GWT Designer
3. Java GWT
4. GWT GUI

✅ Correct Answer: 2

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

1. It has the Root Logger as its parent.
2. It has flawed syntax.
3. It means nothing.
4. It is a child logger.

✅ Correct Answer: 1

Which of these is NOT a method in AsyncCallback?

1. onfailure()
2. onerror()
3. onsuccess()
4. (All of these)

✅ Correct Answer: 4

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

1. -runStyle Manual:1
2. -runSoloSingle
3. Browser.1
4. Single-solo.

✅ Correct Answer: 1

Which of the following does GWT not include

1. Compiler
2. Browser plugin
3. DOM Api
4. Java applet plugin

✅ Correct Answer: 4

Which of these is not a class for JSON manipulation:

1. JSONArray
2. JSONString
3. JSONObject
4. JSONObject

✅ Correct Answer: 4

The server-side of a AsyncCallback is a:

1. RemoteServiceServlet
2. HttpServlet
3. RemoteServlet
4. AsyncServiceServlet

✅ Correct Answer: 1

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

1. Java 4
2. Java 7
3. Java 5
4. Java 6

✅ Correct Answer: 2

Which is NOT a Panel widget in GWT:

1. HorizontalPanel
2. CanvasPanel
3. VerticalPanel
4. DecoratorPanel

✅ Correct Answer: 2

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

1. TimerCommand
2. IncrementalTime
3. DeferredCommand
4. Time

✅ Correct Answer: 2

When does GWT perform its locale-related work?

1. At compile time.
2. At startup time.
3. At bind time.
4. At sandbox time.

✅ Correct Answer: 1

The top level panel in GWT is?

1. HTMLPanel
2. RootPanel
3. DOMPanel
4. TopPanel

✅ Correct Answer: 2

A JSNI method has to be declared as what?

1. native✔
2. js
3. javascript
4. jsni

✅ Correct Answer: 1

What is the extension of a GWT bootstrap script?

1. .js
2. .gwt.js
3. .cache.js
4. .nocache.js

✅ Correct Answer: 4

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

1. DOM
2. CSS
3. PHP
4. HTML

✅ Correct Answer: 2

Strictly speaking, GWT is a:

1. Compiler
2. Interpreter
3. Browser plug-in
4. JVM

✅ Correct Answer: 2

Code splitting to minimize JS downloads can be achieved with:

1. GWT.runJS()
2. GWT.runSync()
3. GWT.split()
4. GWT.runAsync()

✅ Correct Answer: 4

Home Google Web Toolkit MCQ Human readable strings matched with tags at compile time are considered what? Google Web Toolkit Quiz Google Web Toolkit Human readable strings matched with tags at compile time are considered what?

1. Static strings.
2. Elastic strings.
3. Static tags.
4. Elastic tags.

✅ Correct Answer: 1

How are loggers organized?

1. In a map structure.
2. In a box and whisker plot.
3. In a tree structure.
4. In a chart.

✅ Correct Answer: 3

What servlet container is used for testing during development time?

1. Jetson.
2. Jetty.
3. Devlet.
4. Jetlet.

✅ Correct Answer: 2

An AJAX call in GWT can be implemented with:

1. SyncCallback()
2. AsyncCallback()
3. XmlHttpRequest()
4. AJAXCallback()

✅ Correct Answer: 2

Which of the following is a correct JSNI method delaration?

1. def helloWorld={return "Hello World";}
2. public native String helloWorld() /*-{ return "Hello World"; }-*/;
3. public native String helloWorld() { return "Hello World"; };
4. function helloWorld(){return "Hello World";}

✅ Correct Answer: 2

History events in GWT are implemented as a:

1. Array
2. Queue
3. Stack
4. List

✅ Correct Answer: 3

A custom widget in GWT should extend which class?

1. Widget
2. Composite
3. Panel
4. Div

✅ Correct Answer: 2

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

1. XSRF protection.
2. Web protection.
3. Secure Node 3.0
4. Web secure 2.0

✅ Correct Answer: 1

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

1. clearme()
2. HTML5clear()
3. myStorage.clear();
4. clear()HTML5

✅ Correct Answer: 3

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

1. Only if its sub-class is serialized.
2. Only if its root is serialized.
3. Yes
4. No.

✅ Correct Answer: 4

What does ActivityMapper do?

1. It maps activities.
2. It lists activities.
3. It tells you what activity is taking place.
4. It maps Places to corresponding Activities.

✅ Correct Answer: 4

Presenters and Views should be binded by:

1. Interface
2. Inheritance
3. Encapsulation
4. Class

✅ Correct Answer: 1

The biggest difference between MVP Part1 and Part2 is:

1. UiViewer
2. Presenter
3. View
4. UiBinder

✅ Correct Answer: 4

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

1. onCallbackException()
2. onError()
3. onFailure()
4. onException()

✅ Correct Answer: 3

How do you access javascript in GWT?

1. Javascript Eval method
2. JSNI
3. HTML Javascript injection
4. You cannot access Javascript

✅ Correct Answer: 2

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

1. setStyle()
2. setCSS()
3. setCSSStyleName()
4. setStyleName()

✅ Correct Answer: 1

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

1. Deferred binding.
2. Dynamic binding.
3. Inferred binding.
4. Static binding.

✅ Correct Answer: 1

GWT supports the following browsers:

1. Internet Explorer 6, 7, 8, 9
2. Safari 5, 6
3. Firefox (all)
4. Google Chrome

✅ Correct Answer: 3

A EventHandler is a:

1. Data type
2. Class
3. Inner class
4. Interface

✅ Correct Answer: 4

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

1. Reflection
2. Java AutoBoxing
3. Java Math
4. Collections

✅ Correct Answer: 1

When does gwtTearDown() run?

1. At the beginning of every test method.
2. When the test method has failed.
3. In the middle of every test method.
4. At the completion of every test method.

✅ Correct Answer: 4

What is one way to prevent XSRF attacks in GWT?

1. Firewalls.
2. Cross-site scripting.
3. Session cookie duplication.
4. Virus scanning.

✅ Correct Answer: 3

The P in MVP stands for:

1. Programming
2. Process
3. Presentation
4. Presenter

✅ Correct Answer: 4

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

1. The loggers are in error.
2. The loggers are siblings.
3. The loggers are in conflict
4. The loggers are not related.

✅ Correct Answer: 2

A ClickHandler extends:

1. MouseEventHandler
2. MouseHandler
3. MouseButtonsHandler
4. EventHandler

✅ Correct Answer: 4

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

1. No
2. Yes, and it must be used in conjunction with MVP framework.
3. Yes
4. Yes, because MVP framework is built upon it.

✅ Correct Answer: 1

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

1. Forging requests
2. Leaking Data
3. SafeHTML guidelines.
4. Cross-site scripting.

✅ Correct Answer: 3

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

1. Presenter
2. AppController
3. ViewPresenter
4. ViewController

✅ Correct Answer: 2

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

1. Client-side storage
2. Audio
3. PDF
4. Canvas

✅ Correct Answer: 3

Which Java package is NOT emulated by GWT?

1. java.lang.annotation
2. java.io
3. java.math
4. java.lang.reflect

✅ Correct Answer: 4

HTTP requests can be handled easily by:

1. HttpBuilder
2. HttpRequestBuilder
3. HttpInvoker
4. RequestBuilder

✅ Correct Answer: 4

To listen to DOM events a Widget must invoke:

1. retreiveEvents()
2. getEvents()
3. listenToEvents()
4. sinkEvents()

✅ Correct Answer: 4

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

1. Spring
2. Guice
3. GWTIN
4. GIN

✅ Correct Answer: 4

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

1. JSNI Binding
2. Deferred Binding
3. UserAgent Binding
4. JS Binding

✅ Correct Answer: 2

A deferred binding implementation can be generated in GWT with:

1. GWT.createAndBind()
2. GWT.bind()
3. GWT.bindAndCreate()
4. GWT.create()

✅ Correct Answer: 4

How are parent/child relationships determined?

1. They are determined by the name of the parent.
2. They are determined by the name of the logger.
3. They are determined randomly.
4. They are determined by the name of the child.

✅ Correct Answer: 2

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

1. JavaScriptOverlayObject
2. JSONObject
3. JavaScriptObject
4. JSObject

✅ Correct Answer: 3

When the client is invoking the code, how is it referred to?

1. A call.
2. A reference.
3. A service.
4. A command.

✅ Correct Answer: 3

A RemoteService path can be annotated as:

1. @RemoteServicePath
2. @RemoteServiceAsyncPath
3. @RemoteServiceRelativePath
4. @RemotePath

✅ Correct Answer: 3