GWT Quiz 5 | Englishfreetest.com

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  • Test content
    Question 1: Purpose of coating metal surface is to
    A. improve its appearance
    B. corrosion resistant
    C. make a base for painting
    D. All of the above
    Question 2: The AsyncCallback has two methods, they are:
    A. onSuccess(Object) and onFailure(Throwable)
    B. onSend(String) and onReceive(String)
    C. callbackLoaded() and callbackUnloaded()
    D. sync(boolean) and async(boolean)
    Question 3: Other methods of galvanizing are
    A. sheradizing
    B. chrome plating
    C. calorising
    D. anodising
    Question 4: In order to produce efficient code, when a collection class is going to be serialized what must you be sure to do?
    A. declare the method or field as final
    B. declare the field as transient
    C. mark the field with the volatile keyword
    D. use a special JavaDoc annotation
    Question 5: Which of the following is not a mandatory component of GWT application?
    A. Module descriptors
    B. Public resources
    C. Server-side code
    D. Client-side code
    Question 6: What is default public path for static resources in GWT application?
    A. public subdirectory underneath where the Module XML File is stored.
    B. public subdirectory underneath where the client source files are stored
    C. public subdirectory underneath where the server source files are stored
    D. None of the above
    Question 7: Which of the following is true about bootstrap procedure of a GWT Application?
    A. Browser loads the host html page and .nocache.js file
    B. nocache.js code resolves deferred binding configuarations (for example, browser detection) and use lookup table generated by GWT compiler to locate one of the .cache.html.
    C. nocache.js code then creates a html hidden iframe, inserts that iframe into the host page's DOM, and loads the .cache.html file into the same iframe
    D. All of the above
    Question 8: Which of the following is correct about Widget class of GWT?
    A. The class Widget is the base class for the majority of user-interface objects
    B. Widget adds support for receiving events from the browser and being added directly to panels.
    C. Both of the above
    D. None of the above
    Question 9: Which of the following gwt widget acts as a suggestion box?
    A. CheckBox
    B. ListBox
    C. SuggestBox
    D. GWTSuggestionBox
    Question 10: Which of the following logger logs to stdout and logged messages can only be seen in Development Mode in the DevMode window.
    A. SystemLogHandler
    B. DevelopmentModeLogHandler
    C. ConsoleLogHandler
    D. PopupLogHandler