Google Web Toolkit MCQ Questions Answers

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 interfaces includes a method to look up strings by property name and also facilitates dynamic binding to constants by name at runtime?

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

4. Which statement is 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 charset should be included in the meta tag of the host HTML file?

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 approaches should be adopted in order to optimize the initial download of the Google Web Toolkit application?

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 appcfg commands uploads files of an application to the application's root directory? Note: The root directory location has been denoted by .

11. In which internationalization technique do the application 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 : ,     subSystem : ,     evtGroup : ,     millis : ,     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 is example 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 statement hold true for the Navigation control present in the Google Maps API?

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

21. Which statement is INCORRECT with regard to Google Web Toolkit components?

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

23. Which 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 statement regarding Google Web Toolkit ImageResource is INCORRECT?

25. Which approache for associating CSS files in a Google Web Toolkit application is INCORRECT?

26. Which statement regarding Root panel are correct?

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

28. Which 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 statement is correct with regard to the impact of adding this line of code?

30. Which ClientBundle resource type 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 method 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 sub-directories contains the production Java source of this web Application?

34. Which Google Web Toolkit class is used to make server calls in a Google Web Toolkit web application?

35. Which component 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 is NOT a feature of Google Web Toolkit?

37. Which 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 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 method is used to add a split point to your code?

42. Which 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 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 tool 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 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. To use RequestBuilder, which module do we need to inherit:

68. Which JAR has to be included in the WEB-INF/lib for deployment?

69. A RemoteService path can be annotated as:

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

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

72. How are parent/child relationships determined?

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

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

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

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

77. HTTP requests can be handled easily by:

78. Which Java package is NOT emulated by GWT?

79. Which is not a HTML5 feature supported by GWT?

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

81. Which is not a security weakness in GWT?

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

83. A ClickHandler extends:

84. Although JavaScript is single-threaded, GWT can use multi-threading because it supports Java synchronized.

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

86. The P in MVP stands for:

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

88. When does gwtTearDown() run?

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

90. A EventHandler is a:

91. GWT supports the following browsers:

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

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

94. How do you access javascript in GWT?

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

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

97. Presenters and Views should be binded by:

98. What does ActivityMapper do?

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

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