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 is correct about GWT?

A - GWT provides full debugging capability. Developers can debug the client side application just as an Java Application.

B - GWT provides easy integration with Junit and Maven.

C - GWT provides Widgets library provides most of tasks required in an application.

D - All of the above.

Answer : D

Explaination

All of the above options are correct.

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

A - This provides name of the application.

B - This adds other gwt module in application just like import does in java applications. Any number of modules can be inherited in this manner.

C - This specifies the name of class which will start loading the GWT Application.

D - None of the above.

Answer : C

Explaination

'entry-point' tag in *.gwt.xml file specifies the name of class which will start loading the GWT Application.

Q 3 - What is the default style name of any GWT widget?

A - gwt-<classname>

B - <classname>-style

C - style-<classname>

D - css-<classname>

Answer : A

Explaination

By default, the class name for each component is gwt-<classname>. For example, the Button widget has a default style of gwt-Button and similar way TextBox widgest has a default style of gwt-TextBox.

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.

Answer : D

Explaination

setStylePrimaryName() 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?

Answer : C

Explaination

ToggleButton widget represents a stylish stateful button which allows the user to toggle between up and down states.

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

Answer : D

Explaination

CellList widget represents a single column list of cells.

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

Answer : D

Explaination

VerticalPanel widget represents a panel that lays all of its widgets out in a single vertical column.

Q 8 - Which of the following widget represents a type of widget that can wrap another widget, hiding the wrapped widget's methods?

Answer : A

Explaination

Composite widget represents a type of widget that can wrap another widget, hiding the wrapped widget's methods. When added to a panel, a composite behaves exactly as if the widget it wraps had been added.

Q 9 - Which of the following is correct about GWT RPC?

A - Using GWT RPC Java objects can be sent directly between the client and the server (which are automatically serialized by the GWT framework).

B - Server-side servlet is termed as service.

C - Remote procedure call that is calling methods of server side servlets from client side code is referred to as invoking a service.

D - All of the above.