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CSE MCQs :: GWT

  1. Which of the following is correct about Widget class of GWT?
  2. 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

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  3. Hot dipping is a process of
  4. A.
    galvanizing
    B.
    sheradizing
    C.
    anodising
    D.
    calorising

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  5. What would you use to tweak the look-and-feel of a GWT UI?
  6. A.
    Stylesheets
    B.
    custom Swing PLAF
    C.
    the GWT Styles API
    D.
    style bundles (style.properties)

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  7. Power brushing, belt sanding comes under
  8. A.
    chemical cleaning
    B.
    ultrasonic cleaning
    C.
    mechanical cleaning
    D.
    All of the above

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  9. In order to develop a new service you should extend which interface?
  10. A.
    RemoteService
    B.
    RemoteServiceServlet
    C.
    ServiceAsync
    D.
    RemoteProcedureService

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  11. Purpose of coating metal surface is to
  12. A.
    improve its appearance
    B.
    corrosion resistant
    C.
    make a base for painting
    D.
    All of the above

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  13. The AsyncCallback has two methods, they are:
  14. A.
    onSuccess(Object) and onFailure(Throwable)
    B.
    onSend(String) and onReceive(String)
    C.
    callbackLoaded() and callbackUnloaded()
    D.
    sync(boolean) and async(boolean)

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  15. Other methods of galvanizing are
  16. A.
    sheradizing
    B.
    chrome plating
    C.
    calorising
    D.
    anodising

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  17. In order to produce efficient code, when a collection class is going to be serialized what must you be sure to do?
  18. 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

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  19. For electroplating process, power supply is
  20. A.
    A.C
    B.
    D.C
    C.
    A.C or D.C
    D.
    Solar energy

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