GWT Online Quiz

Q 1 - Which of the following is correct about module descriptors in GWT application?

A - A module descriptor is the configuration file in the form of XML which is used to configure a GWT application.

B - A module descriptor file extension is *.gwt.xml.

C - * in *.gwt.xml is the name of the application and this file should reside in the project's root.

D - All of the above.

Q 2 - What is the purpose of 'stylesheet' tag in *.gwt.xml file in GWT?

A - This specifies the names of source folders which GWT compiler will search for source compilation.

B - This specifies the place in your project where static resources referenced by your GWT module, such as CSS or images, are stored.

C - This automatically injects the external JavaScript file located at the location specified by src.

D - This automatically injects the external CSS file located at the location specified by src.

Q 3 - Which of the following is true about Host Page in GWT?

A - The host page is used to invoke actual GWT application.

B - A typical HTML host page for an application might not include any visible HTML body content at all but it is always expected to include GWT application via a <script.../> tag.

C - Both of the above.

D - None of the above.

Q 4 - What is the purpose of setStylePrimaryName() function of a GWT widget?

A - This method will clear any existing styles and set the widget style to the new CSS class provided using style.

B - This method will add a secondary or dependent style name to the widget.

C - This method will remove given style from the widget and leaves any others associated with the widget.

D - This method sets the object's primary style name and updates all dependent style names.

Q 5 - Which of the following gwt widget represents a stylish stateful button which allows the user to toggle between up and down states?

A - Button

B - PushButton

C - ToggleButton

D - RadioButton

Q 6 - Which GWT widget represents a single column list of cells?

A - Tree

B - MenuBar

C - CellTree

D - CellList

Q 7 - Which of the following panel lays all of its widgets out in a single vertical column?

A - Panel

B - FlowPanel

C - HorizontalPanel

D - VerticalPanel

Q 8 - Which of the following panel represents a panel that represents a tabbed set of pages, each of which contains another widget?

A - DeckPanel

B - DockPanel

C - HTMLPanel

D - TabPanel

Q 9 - Which of the following is correct about GWT event handling mechanism?

A - GWT provides a event handler model similar to Java AWT or SWING User Interface frameworks.

B - GWT provides a list of interfaces corresponding to various possible events.

C - A class wishing to receive events of a particular type implements the associated handler interface and then passes a reference to itself to the widget to subscribe to a set of events.

D - All of the above.

Q 10 - Which of the following logger sends log messages to the server, where they will be logged using the server side logging mechanism.

A - PopupLogHandler

B - SimpleRemoteLogHandler

C - ConsoleLogHandler

D - FirebugLogHandler