GWT Online Quiz

Following quiz provides Multiple Choice Questions (MCQs) related to GWT. You will have to read all the given answers and click over the correct answer. If you are not sure about the answer then you can check the answer using Show Answer button. You can use Next Quiz button to check new set of questions in the quiz.

Q 1 - Which of the following correctly describes the disadvantage of GWT?

A - Not indexable : Web pages generated by GWT would not be indexed by search engines because these applications are generated dynamically.

B - Not degradable: If your application user disables Javascript then user will just see the basic page and nothing more.

C - Both of the above

D - None of the above.

Answer : C

Explaination

Both of the above options are correct.

Q 2 - Can you have multiple entry-point classes in a *.gwt.xml file?

A - true

B - false

Answer : A

Explaination

Yes! Any number of entry-point classes can be added.

Q 3 - What is *.cache.html file in GWT?

A - It contains the actual program of a GWT application.

B - It contains the actual program of a GWT framework.

C - Both of the above.

D - None of the above.

Answer : A

Explaination

*.cache.html contains the actual program of a GWT application.

Q 4 - Which of the following is correct about UIObject class of GWT?

A - Every UIObject has a primary style name that identifies the key CSS style rule that should always be applied to it.

B - More complex styling behavior can be achieved by manipulating an object's secondary style names.

C - Both of the above.

D - None of the above.

Answer : C

Explaination

Both of the above options are correct.

Q 5 - Which of the following gwt widget represents a standard check box?

Answer : A

Explaination

CheckBox widget represents a standard check box. This class also serves as a base class for RadioButton.

Q 6 - Which of the following gwt widget represents a hidden field?

Answer : C

Explaination

Hidden widget represents a hidden field.

Q 7 - Which of the following panel arranges two widgets in a single vertical column and allows the user to interactively change the proportion of the hight dedicated to each of the two widgets?

A - HorizontalSplitPanel

B - VerticalSplitPanel

C - HorizontalPanel

D - VerticalPanel

Answer : B

Explaination

VerticalSplitPanel widget represents a A panel that arranges two widgets in a single vertical column and allows the user to interactively change the proportion of the height dedicated to each of the two widgets. Widgets contained within a VertialSplitPanel will be automatically decorated with scrollbars when necessary.

Q 8 - Which of the following GWT widget represents a panel that can pop up over other widgets?

Answer : C

Explaination

PopupPanel widget represents a panel that can pop up over other widgets. It overlays the browser's client area (and any previously-created popups).

Q 9 - Which of the following interface a java data object should implement so that it can be transferred over the wire in GWT RPC?

Answer : A

Explaination

A java data object should implement isSerializable interface so that it can be transferred over the wire in GWT RPC.

Q 10 - In which of the following internationalization technique host page contains the localized strings therefore, applications are not required to be recompiled when we add a new locale?

A - Static String Internationalization

B - Dynamic String Internationalization

C - Localizable Interface

D - None of the above.

Answer : B

Explaination

Dynamic String Internationalization is very flexible but slower than static string internationalization. Host page contains the localized strings therefore, applications are not required to be recompiled when we add a new locale. If GWT application is to be integrated with an existing server-side localization system, then this technique is to be used.

gwt_questions_answers.htm